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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Display Management (Display) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_display.h" |
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#include "gx_context.h" |
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#if defined(GX_BRUSH_ALPHA_SUPPORT) |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_raw_blend */ |
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/* PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* Internal helper function that handles blending of uncompressed */ |
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/* pixlemap file without alpha channel with brush alpha. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* xstart x-coord of line left */ |
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/* xend x-coord of line right */ |
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/* y y-coord of line top */ |
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/* info GX_FILL_PIXELMAP_INFO struct */ |
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/* alpha Alpha value */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
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/* blend function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_raw_blend(GX_DRAW_CONTEXT *context, |
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INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info, GX_UBYTE alpha) |
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{ |
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INT xval; |
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INT offset; |
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INT pic_width; |
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GX_CONST GX_UBYTE *get; |
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GX_PIXELMAP *pixelmap; |
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VOID (*blend_func)(GX_DRAW_CONTEXT *, INT, INT, GX_COLOR, GX_UBYTE); |
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pixelmap = info -> pixelmap; |
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blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
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✓✓ |
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if (blend_func == GX_NULL) |
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{ |
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return; |
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} |
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pic_width = pixelmap -> gx_pixelmap_width; |
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✓✓✓✓
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if ((info -> draw) && (xstart <= xend)) |
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{ |
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get = info -> current_pixel_ptr; |
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/* Calculate the map offset in x-axis. */ |
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offset = (info -> x_offset % pic_width); |
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✓✓ |
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for (xval = xstart; xval <= xend; xval++) |
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{ |
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/* get points to the start postion of this row. So we need to calculate its position. */ |
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blend_func(context, xval, y, *(get + offset), alpha); |
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offset++; |
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✓✓ |
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if (offset >= pic_width) |
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{ |
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offset -= pic_width; |
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} |
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} |
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} |
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/* This line is drawn. Update the pointer position for next row. */ |
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info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_blend */ |
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/* PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* Internal helper function that handles blending of compressed */ |
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/* pixlemap file with brush alpha. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* xstart x-coord of line left */ |
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/* xend x-coord of line right */ |
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/* y y-coord of line top */ |
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/* info GX_FILL_PIXELMAP_INFO struct */ |
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/* alpha Alpha value */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
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/* blend function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_blend(GX_DRAW_CONTEXT *context, |
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INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info, GX_UBYTE alpha) |
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{ |
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INT start_pos; |
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INT xval; |
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GX_UBYTE count; |
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GX_CONST GX_UBYTE *get = GX_NULL; |
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GX_UBYTE pixel; |
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GX_PIXELMAP *pixelmap; |
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VOID (*blend_func)(GX_DRAW_CONTEXT *, INT, INT, GX_COLOR, GX_UBYTE); |
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pixelmap = info -> pixelmap; |
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blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
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✓✓ |
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if (blend_func == GX_NULL) |
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{ |
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return; |
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} |
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✓✓✓✓
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if ((info -> draw) && (xstart <= xend)) |
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{ |
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/* This means it's the draw operation. */ |
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/* Skip the invisible pixels.*/ |
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start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
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/*Repeat the draw operation to fill the whole dirty area.*/ |
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✓✓ |
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while (start_pos <= xend) |
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{ |
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xval = start_pos; |
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/*Start from where we need to repeat.*/ |
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get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
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✓✓ |
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while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
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{ |
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count = *get++; |
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✓✓ |
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if (count & 0x80) |
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{ |
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count = (GX_UBYTE)((count & 0x7f) + 1); |
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pixel = *get++; |
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✓✓ |
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while (count--) |
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{ |
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✓✓✓✓
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if (xval >= xstart && xval <= xend) |
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{ |
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blend_func(context, xval, y, pixel, alpha); |
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} |
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xval++; |
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} |
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} |
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else |
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{ |
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count++; |
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✓✓ |
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while (count--) |
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{ |
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pixel = *get++; |
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✓✓✓✓
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if (xval >= xstart && xval <= xend) |
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{ |
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blend_func(context, xval, y, pixel, alpha); |
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} |
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xval++; |
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} |
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} |
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} |
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start_pos += pixelmap -> gx_pixelmap_width; |
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} |
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} |
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else |
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{ |
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xval = 0; |
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get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
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✓✓ |
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while (xval < pixelmap -> gx_pixelmap_width) |
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{ |
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count = *get++; |
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✓✓ |
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if (count & 0x80) |
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{ |
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count = (GX_UBYTE)((count & 0x7f) + 1); |
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get++; |
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} |
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else |
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{ |
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count++; |
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get += count; |
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} |
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xval += count; |
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} |
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} |
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/* This line is drawn. cache the pointer for next line draw. */ |
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info -> current_pixel_ptr = (GX_UBYTE *)get; |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_blend */ |
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/* PORTABLE C */ |
265 |
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/* 6.1 */ |
266 |
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/* AUTHOR */ |
267 |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
269 |
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/* */ |
270 |
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/* DESCRIPTION */ |
271 |
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/* */ |
272 |
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/* Internal helper function that handles blending of uncompressed */ |
273 |
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/* pixlemap file with alpha channel with brush alpha. */ |
274 |
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/* */ |
275 |
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/* INPUT */ |
276 |
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/* */ |
277 |
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/* context Drawing context */ |
278 |
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/* xstart x-coord of line left */ |
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/* xend x-coord of line end */ |
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/* y y-coord of line top */ |
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/* info GX_FILL_PIXELMAP_INFO struct */ |
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/* alpha Alpha value */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
287 |
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/* */ |
288 |
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/* CALLS */ |
289 |
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/* */ |
290 |
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/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
291 |
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/* blend function */ |
292 |
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/* */ |
293 |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
296 |
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/* */ |
297 |
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/* RELEASE HISTORY */ |
298 |
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/* */ |
299 |
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/* DATE NAME DESCRIPTION */ |
300 |
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/* */ |
301 |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
302 |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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10960 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_blend(GX_DRAW_CONTEXT *context, |
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INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info, GX_UBYTE alpha) |
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{ |
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INT xval; |
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GX_CONST GX_UBYTE *get; |
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GX_CONST GX_UBYTE *get_alpha; |
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GX_UBYTE falpha; |
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GX_UBYTE pixel; |
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GX_PIXELMAP *pixelmap; |
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INT pic_width; |
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INT offset; |
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GX_UBYTE combined_alpha; |
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VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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10960 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
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pixelmap = info -> pixelmap; |
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✓✓ |
10960 |
if (blend_func == GX_NULL) |
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{ |
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|
848 |
return; |
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} |
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|
10112 |
pic_width = pixelmap -> gx_pixelmap_width; |
329 |
✓✓✓✓
|
10112 |
if ((info -> draw) && (xstart <= xend)) |
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{ |
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9813 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
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9813 |
get_alpha = (GX_CONST GX_UBYTE *)info -> current_aux_ptr; |
333 |
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|
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/*calculate the offset.*/ |
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9813 |
offset = (info -> x_offset % pic_width); |
336 |
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|
337 |
✓✓ |
2508581 |
for (xval = xstart; xval <= xend; xval++) |
338 |
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{ |
339 |
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/*get points to the start postion of this row. So we need to calculate its position.*/ |
340 |
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2498768 |
pixel = *(get + offset); |
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2498768 |
falpha = *(get_alpha + offset); |
342 |
✓✓ |
2498768 |
if (falpha) |
343 |
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{ |
344 |
|
997447 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
345 |
|
997447 |
blend_func(context, xval, y, pixel, combined_alpha); |
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} |
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|
348 |
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2498768 |
offset++; |
349 |
✓✓ |
2498768 |
if (offset >= pic_width) |
350 |
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{ |
351 |
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63007 |
offset -= pic_width; |
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} |
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} |
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} |
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356 |
|
10112 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
357 |
|
10112 |
info -> current_aux_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
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} |
359 |
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|
360 |
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|
361 |
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/**************************************************************************/ |
362 |
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/* */ |
363 |
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/* FUNCTION RELEASE */ |
364 |
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/* */ |
365 |
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/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha */ |
366 |
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/* _blend */ |
367 |
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/* PORTABLE C */ |
368 |
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/* 6.1 */ |
369 |
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/* AUTHOR */ |
370 |
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|
/* */ |
371 |
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/* Kenneth Maxwell, Microsoft Corporation */ |
372 |
|
|
/* */ |
373 |
|
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/* DESCRIPTION */ |
374 |
|
|
/* */ |
375 |
|
|
/* Internal helper function that handles blending of compressed */ |
376 |
|
|
/* pixlemap file with alpha channel. */ |
377 |
|
|
/* */ |
378 |
|
|
/* INPUT */ |
379 |
|
|
/* */ |
380 |
|
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/* context Drawing context */ |
381 |
|
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/* xstart x-coord of line left */ |
382 |
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/* xend x-coord of line end */ |
383 |
|
|
/* y y-coord of line top */ |
384 |
|
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/* info GX_FILL_PIXELMAP_INFO struct */ |
385 |
|
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/* alpha Alpha value */ |
386 |
|
|
/* */ |
387 |
|
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/* OUTPUT */ |
388 |
|
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/* */ |
389 |
|
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/* None */ |
390 |
|
|
/* */ |
391 |
|
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/* CALLS */ |
392 |
|
|
/* */ |
393 |
|
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/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
394 |
|
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/* blend function */ |
395 |
|
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/* */ |
396 |
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/* CALLED BY */ |
397 |
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/* */ |
398 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
399 |
|
|
/* */ |
400 |
|
|
/* RELEASE HISTORY */ |
401 |
|
|
/* */ |
402 |
|
|
/* DATE NAME DESCRIPTION */ |
403 |
|
|
/* */ |
404 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
405 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
406 |
|
|
/* resulting in version 6.1 */ |
407 |
|
|
/* */ |
408 |
|
|
/**************************************************************************/ |
409 |
|
10494 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha_blend(GX_DRAW_CONTEXT *context, |
410 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info, GX_UBYTE alpha) |
411 |
|
|
{ |
412 |
|
|
INT xval; |
413 |
|
|
USHORT count; |
414 |
|
|
INT start_pos; |
415 |
|
|
GX_UBYTE falpha; |
416 |
|
|
GX_UBYTE combined_alpha; |
417 |
|
|
USHORT pixel; |
418 |
|
10494 |
GX_CONST USHORT *get = GX_NULL; |
419 |
|
|
GX_PIXELMAP *pixelmap; |
420 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *, INT, INT, GX_COLOR, GX_UBYTE); |
421 |
|
|
|
422 |
|
10494 |
pixelmap = info -> pixelmap; |
423 |
|
10494 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
424 |
|
|
|
425 |
✓✓ |
10494 |
if (blend_func == GX_NULL) |
426 |
|
|
{ |
427 |
|
615 |
return; |
428 |
|
|
} |
429 |
|
|
|
430 |
✓✓✓✓
|
9879 |
if ((info -> draw) && (xstart <= xend)) |
431 |
|
|
{ |
432 |
|
|
/* Calcualte draw start position. */ |
433 |
|
9813 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
434 |
|
|
|
435 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
436 |
✓✓ |
35341 |
while (start_pos <= xend) |
437 |
|
|
{ |
438 |
|
25528 |
xval = start_pos; |
439 |
|
25528 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
440 |
✓✓ |
203278 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
441 |
|
|
{ |
442 |
|
177750 |
count = *get++; |
443 |
|
|
|
444 |
✓✓ |
177750 |
if (count & 0x8000) |
445 |
|
|
{ |
446 |
|
|
/* repeated value */ |
447 |
|
109686 |
count = (USHORT)((count & 0x7fff) + 1u); |
448 |
|
109686 |
pixel = *get++; |
449 |
|
109686 |
falpha = (GX_UBYTE)((pixel & 0xff00) >> 8); |
450 |
|
109686 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
451 |
✓✓ |
109686 |
if (combined_alpha) |
452 |
|
|
{ |
453 |
✓✓ |
1398137 |
while (count--) |
454 |
|
|
{ |
455 |
✓✓✓✓
|
1360248 |
if (xval >= xstart && xval <= xend) |
456 |
|
|
{ |
457 |
|
921150 |
blend_func(context, xval, y, (GX_COLOR)(pixel & 0xff), combined_alpha); |
458 |
|
|
} |
459 |
|
1360248 |
xval++; |
460 |
|
|
} |
461 |
|
|
} |
462 |
|
|
else |
463 |
|
|
{ |
464 |
|
71797 |
xval += count; |
465 |
|
|
} |
466 |
|
|
} |
467 |
|
|
else |
468 |
|
|
{ |
469 |
|
|
/* string of non-repeated values */ |
470 |
|
68064 |
count++; |
471 |
✓✓ |
308409 |
while (count--) |
472 |
|
|
{ |
473 |
✓✓✓✓
|
240345 |
if (xval >= xstart && xval <= xend) |
474 |
|
|
{ |
475 |
|
166755 |
pixel = *get; |
476 |
|
166755 |
falpha = (GX_UBYTE)((pixel & 0xff00) >> 8); |
477 |
|
166755 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
478 |
|
166755 |
blend_func(context, xval, y, (GX_COLOR)(pixel & 0xff), combined_alpha); |
479 |
|
|
} |
480 |
|
240345 |
get++; |
481 |
|
240345 |
xval++; |
482 |
|
|
} |
483 |
|
|
} |
484 |
|
|
} |
485 |
|
25528 |
start_pos += pixelmap -> gx_pixelmap_width; |
486 |
|
|
} |
487 |
|
|
} |
488 |
|
|
else |
489 |
|
|
{ |
490 |
|
66 |
xval = 0; |
491 |
|
66 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
492 |
|
|
|
493 |
✓✓ |
355 |
while (xval < pixelmap -> gx_pixelmap_width) |
494 |
|
|
{ |
495 |
|
289 |
count = *get++; |
496 |
✓✓ |
289 |
if (count & 0x8000) |
497 |
|
|
{ |
498 |
|
157 |
count = (USHORT)((count & 0x7fff) + 1); |
499 |
|
157 |
get++; |
500 |
|
|
} |
501 |
|
|
else |
502 |
|
|
{ |
503 |
|
132 |
count++; |
504 |
|
132 |
get += count; |
505 |
|
|
} |
506 |
|
289 |
xval += count; |
507 |
|
|
} |
508 |
|
|
} |
509 |
|
|
|
510 |
|
|
/* This line is drawn. cache the pointer for next line draw. */ |
511 |
|
9879 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
#endif /* GX_BRUSH_ALPHA_SUPPORT */ |
515 |
|
|
|
516 |
|
|
/**************************************************************************/ |
517 |
|
|
/* */ |
518 |
|
|
/* FUNCTION RELEASE */ |
519 |
|
|
/* */ |
520 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_raw_write */ |
521 |
|
|
/* PORTABLE C */ |
522 |
|
|
/* 6.1 */ |
523 |
|
|
/* AUTHOR */ |
524 |
|
|
/* */ |
525 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
526 |
|
|
/* */ |
527 |
|
|
/* DESCRIPTION */ |
528 |
|
|
/* */ |
529 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
530 |
|
|
/* pixlemap file without alpha channel. */ |
531 |
|
|
/* */ |
532 |
|
|
/* INPUT */ |
533 |
|
|
/* */ |
534 |
|
|
/* context Drawing context */ |
535 |
|
|
/* xstart x-coord of line left */ |
536 |
|
|
/* xend x-coord of line right */ |
537 |
|
|
/* y y-coord of line top */ |
538 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
539 |
|
|
/* */ |
540 |
|
|
/* OUTPUT */ |
541 |
|
|
/* */ |
542 |
|
|
/* None */ |
543 |
|
|
/* */ |
544 |
|
|
/* CALLED BY */ |
545 |
|
|
/* */ |
546 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
547 |
|
|
/* */ |
548 |
|
|
/* RELEASE HISTORY */ |
549 |
|
|
/* */ |
550 |
|
|
/* DATE NAME DESCRIPTION */ |
551 |
|
|
/* */ |
552 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
553 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
554 |
|
|
/* resulting in version 6.1 */ |
555 |
|
|
/* */ |
556 |
|
|
/**************************************************************************/ |
557 |
|
39034 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_raw_write(GX_DRAW_CONTEXT *context, |
558 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
559 |
|
|
{ |
560 |
|
|
INT xval; |
561 |
|
|
INT offset; |
562 |
|
|
INT pic_width; |
563 |
|
|
GX_CONST GX_UBYTE *get; |
564 |
|
|
GX_UBYTE *put; |
565 |
|
|
GX_PIXELMAP *pixelmap; |
566 |
|
|
|
567 |
|
39034 |
pixelmap = info -> pixelmap; |
568 |
|
|
|
569 |
|
39034 |
pic_width = pixelmap -> gx_pixelmap_width; |
570 |
|
|
|
571 |
✓✓✓✓
|
39034 |
if ((info -> draw) && (xstart <= xend)) |
572 |
|
|
{ |
573 |
|
38554 |
get = info -> current_pixel_ptr; |
574 |
|
38554 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
575 |
|
38554 |
put += y * context -> gx_draw_context_pitch + xstart; |
576 |
|
|
|
577 |
|
|
/* Calculate the map offset in x-axis. */ |
578 |
|
38554 |
offset = (info -> x_offset % pic_width); |
579 |
|
|
|
580 |
✓✓ |
5946346 |
for (xval = xstart; xval <= xend; xval++) |
581 |
|
|
{ |
582 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
583 |
|
5907792 |
*put++ = *(get + offset); |
584 |
|
5907792 |
offset++; |
585 |
✓✓ |
5907792 |
if (offset >= pic_width) |
586 |
|
|
{ |
587 |
|
35142 |
offset -= pic_width; |
588 |
|
|
} |
589 |
|
|
} |
590 |
|
|
} |
591 |
|
|
|
592 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
593 |
|
39034 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
594 |
|
39034 |
} |
595 |
|
|
|
596 |
|
|
/**************************************************************************/ |
597 |
|
|
/* */ |
598 |
|
|
/* FUNCTION RELEASE */ |
599 |
|
|
/* */ |
600 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write */ |
601 |
|
|
/* PORTABLE C */ |
602 |
|
|
/* 6.1 */ |
603 |
|
|
/* AUTHOR */ |
604 |
|
|
/* */ |
605 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
606 |
|
|
/* */ |
607 |
|
|
/* DESCRIPTION */ |
608 |
|
|
/* */ |
609 |
|
|
/* Internal helper function that handles writing of compressed */ |
610 |
|
|
/* pixlemap file. */ |
611 |
|
|
/* */ |
612 |
|
|
/* INPUT */ |
613 |
|
|
/* */ |
614 |
|
|
/* context Drawing context */ |
615 |
|
|
/* xstart x-coord of line left */ |
616 |
|
|
/* xend x-coord of line right */ |
617 |
|
|
/* y y-coord of line top */ |
618 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
619 |
|
|
/* */ |
620 |
|
|
/* OUTPUT */ |
621 |
|
|
/* */ |
622 |
|
|
/* None */ |
623 |
|
|
/* */ |
624 |
|
|
/* CALLS */ |
625 |
|
|
/* */ |
626 |
|
|
/* None */ |
627 |
|
|
/* */ |
628 |
|
|
/* CALLED BY */ |
629 |
|
|
/* */ |
630 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
631 |
|
|
/* */ |
632 |
|
|
/* RELEASE HISTORY */ |
633 |
|
|
/* */ |
634 |
|
|
/* DATE NAME DESCRIPTION */ |
635 |
|
|
/* */ |
636 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
637 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
638 |
|
|
/* resulting in version 6.1 */ |
639 |
|
|
/* */ |
640 |
|
|
/**************************************************************************/ |
641 |
|
63834 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write(GX_DRAW_CONTEXT *context, |
642 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
643 |
|
|
{ |
644 |
|
|
INT start_pos; |
645 |
|
|
INT xval; |
646 |
|
|
GX_UBYTE count; |
647 |
|
63834 |
GX_CONST GX_UBYTE *get = GX_NULL; |
648 |
|
|
GX_UBYTE pixel; |
649 |
|
|
GX_UBYTE *put; |
650 |
|
|
GX_PIXELMAP *pixelmap; |
651 |
|
|
|
652 |
|
63834 |
pixelmap = info -> pixelmap; |
653 |
|
|
|
654 |
✓✓✓✓
|
63834 |
if ((info -> draw) && (xstart <= xend)) |
655 |
|
|
{ |
656 |
|
|
/* Calculate draw start position. */ |
657 |
|
58594 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
658 |
|
|
|
659 |
|
58594 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
660 |
|
58594 |
put += y * context -> gx_draw_context_pitch + start_pos; |
661 |
|
|
|
662 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
663 |
✓✓ |
231980 |
while (start_pos <= xend) |
664 |
|
|
{ |
665 |
|
173386 |
xval = start_pos; |
666 |
|
|
|
667 |
|
|
/*Start from where we need to repeat.*/ |
668 |
|
173386 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
669 |
|
|
|
670 |
✓✓ |
1389460 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
671 |
|
|
{ |
672 |
|
1216074 |
count = *get++; |
673 |
✓✓ |
1216074 |
if (count & 0x80) |
674 |
|
|
{ |
675 |
|
735446 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
676 |
|
735446 |
pixel = *get++; |
677 |
✓✓ |
9798968 |
while (count--) |
678 |
|
|
{ |
679 |
✓✓✓✓
|
9063522 |
if (xval >= xstart && xval <= xend) |
680 |
|
|
{ |
681 |
|
5255792 |
*put = pixel; |
682 |
|
|
} |
683 |
|
9063522 |
xval++; |
684 |
|
9063522 |
put++; |
685 |
|
|
} |
686 |
|
|
} |
687 |
|
|
else |
688 |
|
|
{ |
689 |
|
480628 |
count++; |
690 |
✓✓ |
3090006 |
while (count--) |
691 |
|
|
{ |
692 |
|
2609378 |
pixel = *get++; |
693 |
✓✓✓✓
|
2609378 |
if (xval >= xstart && xval <= xend) |
694 |
|
|
{ |
695 |
|
1850000 |
*put = pixel; |
696 |
|
|
} |
697 |
|
2609378 |
xval++; |
698 |
|
2609378 |
put++; |
699 |
|
|
} |
700 |
|
|
} |
701 |
|
|
} |
702 |
|
173386 |
start_pos += pixelmap -> gx_pixelmap_width; |
703 |
|
|
} |
704 |
|
|
} |
705 |
|
|
else |
706 |
|
|
{ |
707 |
|
5240 |
xval = 0; |
708 |
|
5240 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
709 |
✓✓ |
14714 |
while (xval < pixelmap -> gx_pixelmap_width) |
710 |
|
|
{ |
711 |
|
9474 |
count = *get++; |
712 |
✓✓ |
9474 |
if (count & 0x80) |
713 |
|
|
{ |
714 |
|
3378 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
715 |
|
3378 |
get++; |
716 |
|
|
} |
717 |
|
|
else |
718 |
|
|
{ |
719 |
|
6096 |
count++; |
720 |
|
6096 |
get += count; |
721 |
|
|
} |
722 |
|
9474 |
xval += count; |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
|
726 |
|
|
/*This line is drawn. cache the pointer for next line draw.*/ |
727 |
|
63834 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
728 |
|
63834 |
} |
729 |
|
|
|
730 |
|
|
/**************************************************************************/ |
731 |
|
|
/* */ |
732 |
|
|
/* FUNCTION RELEASE */ |
733 |
|
|
/* */ |
734 |
|
|
/* _gx_display_driver_8bpp_horizontal_line_pixelmap_transparent_write */ |
735 |
|
|
/* PORTABLE C */ |
736 |
|
|
/* 6.1 */ |
737 |
|
|
/* AUTHOR */ |
738 |
|
|
/* */ |
739 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
740 |
|
|
/* */ |
741 |
|
|
/* DESCRIPTION */ |
742 |
|
|
/* */ |
743 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
744 |
|
|
/* pixlemap file with alpha channel. */ |
745 |
|
|
/* */ |
746 |
|
|
/* INPUT */ |
747 |
|
|
/* */ |
748 |
|
|
/* context Drawing context */ |
749 |
|
|
/* xstart x-coord of line left */ |
750 |
|
|
/* xend x-coord of line right */ |
751 |
|
|
/* y y-coord of line top */ |
752 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
753 |
|
|
/* */ |
754 |
|
|
/* OUTPUT */ |
755 |
|
|
/* */ |
756 |
|
|
/* None */ |
757 |
|
|
/* */ |
758 |
|
|
/* CALLS */ |
759 |
|
|
/* */ |
760 |
|
|
/* None */ |
761 |
|
|
/* */ |
762 |
|
|
/* CALLED BY */ |
763 |
|
|
/* */ |
764 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
765 |
|
|
/* */ |
766 |
|
|
/* RELEASE HISTORY */ |
767 |
|
|
/* */ |
768 |
|
|
/* DATE NAME DESCRIPTION */ |
769 |
|
|
/* */ |
770 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
771 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
772 |
|
|
/* resulting in version 6.1 */ |
773 |
|
|
/* */ |
774 |
|
|
/**************************************************************************/ |
775 |
|
97320 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_transparent_write(GX_DRAW_CONTEXT *context, |
776 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
777 |
|
|
{ |
778 |
|
|
INT xval; |
779 |
|
|
INT offset; |
780 |
|
|
INT pic_width; |
781 |
|
|
GX_CONST GX_UBYTE *get; |
782 |
|
|
GX_UBYTE *put; |
783 |
|
|
GX_PIXELMAP *pixelmap; |
784 |
|
|
GX_UBYTE pixel; |
785 |
|
|
|
786 |
|
97320 |
pixelmap = info -> pixelmap; |
787 |
|
97320 |
pic_width = pixelmap -> gx_pixelmap_width; |
788 |
|
|
|
789 |
✓✓✓✓
|
97320 |
if ((info -> draw) && (xstart <= xend)) |
790 |
|
|
{ |
791 |
|
78928 |
get = info -> current_pixel_ptr; |
792 |
|
78928 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
793 |
|
78928 |
put += y * context -> gx_draw_context_pitch + xstart; |
794 |
|
|
|
795 |
|
|
/* Calculate the map offset in x-axis. */ |
796 |
|
78928 |
offset = (info -> x_offset % pic_width); |
797 |
|
|
|
798 |
✓✓ |
10908616 |
for (xval = xstart; xval <= xend; xval++) |
799 |
|
|
{ |
800 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
801 |
|
10829688 |
pixel = *(get + offset); |
802 |
|
10829688 |
offset++; |
803 |
✓✓ |
10829688 |
if (offset >= pic_width) |
804 |
|
|
{ |
805 |
|
674896 |
offset -= pic_width; |
806 |
|
|
} |
807 |
|
|
|
808 |
✓✓ |
10829688 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
809 |
|
|
{ |
810 |
|
8847352 |
*put = pixel; |
811 |
|
|
} |
812 |
|
10829688 |
put++; |
813 |
|
|
} |
814 |
|
|
} |
815 |
|
|
|
816 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
817 |
|
97320 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
818 |
|
97320 |
} |
819 |
|
|
|
820 |
|
|
/**************************************************************************/ |
821 |
|
|
/* */ |
822 |
|
|
/* FUNCTION RELEASE */ |
823 |
|
|
/* */ |
824 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_ */ |
825 |
|
|
/* transparent_write */ |
826 |
|
|
/* PORTABLE C */ |
827 |
|
|
/* 6.1 */ |
828 |
|
|
/* AUTHOR */ |
829 |
|
|
/* */ |
830 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
831 |
|
|
/* */ |
832 |
|
|
/* DESCRIPTION */ |
833 |
|
|
/* */ |
834 |
|
|
/* Internal helper function that handles writing of compressed */ |
835 |
|
|
/* pixlemap file with alpha channel. */ |
836 |
|
|
/* */ |
837 |
|
|
/* INPUT */ |
838 |
|
|
/* */ |
839 |
|
|
/* context Drawing context */ |
840 |
|
|
/* xstart x-coord of line left */ |
841 |
|
|
/* xend x-coord of line right */ |
842 |
|
|
/* y y-coord of line top */ |
843 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
844 |
|
|
/* */ |
845 |
|
|
/* OUTPUT */ |
846 |
|
|
/* */ |
847 |
|
|
/* None */ |
848 |
|
|
/* */ |
849 |
|
|
/* CALLS */ |
850 |
|
|
/* */ |
851 |
|
|
/* None */ |
852 |
|
|
/* */ |
853 |
|
|
/* CALLED BY */ |
854 |
|
|
/* */ |
855 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
856 |
|
|
/* */ |
857 |
|
|
/* RELEASE HISTORY */ |
858 |
|
|
/* */ |
859 |
|
|
/* DATE NAME DESCRIPTION */ |
860 |
|
|
/* */ |
861 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
862 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
863 |
|
|
/* resulting in version 6.1 */ |
864 |
|
|
/* */ |
865 |
|
|
/**************************************************************************/ |
866 |
|
6670 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_transparent_write(GX_DRAW_CONTEXT *context, |
867 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
868 |
|
|
{ |
869 |
|
|
INT start_pos; |
870 |
|
|
INT xval; |
871 |
|
|
GX_UBYTE count; |
872 |
|
6670 |
GX_CONST GX_UBYTE *get = GX_NULL; |
873 |
|
|
GX_UBYTE pixel; |
874 |
|
|
GX_UBYTE *put; |
875 |
|
|
GX_PIXELMAP *pixelmap; |
876 |
|
|
|
877 |
|
6670 |
pixelmap = info -> pixelmap; |
878 |
|
|
|
879 |
✓✓✓✓
|
6670 |
if ((info -> draw) && (xstart <= xend)) |
880 |
|
|
{ |
881 |
|
|
/* Calcualte draw start position. */ |
882 |
|
6446 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
883 |
|
|
|
884 |
|
6446 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
885 |
|
6446 |
put += y * context -> gx_draw_context_pitch + start_pos; |
886 |
|
|
|
887 |
|
|
|
888 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
889 |
✓✓ |
31580 |
while (start_pos <= xend) |
890 |
|
|
{ |
891 |
|
25134 |
xval = start_pos; |
892 |
|
|
|
893 |
|
|
/*Start from where we need to repeat.*/ |
894 |
|
25134 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
895 |
|
|
|
896 |
✓✓ |
94246 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
897 |
|
|
{ |
898 |
|
69112 |
count = *get++; |
899 |
✓✓ |
69112 |
if (count & 0x80) |
900 |
|
|
{ |
901 |
|
28020 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
902 |
|
28020 |
pixel = *get++; |
903 |
✓✓ |
28020 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
904 |
|
|
{ |
905 |
✓✓ |
163198 |
while (count--) |
906 |
|
|
{ |
907 |
✓✓✓✓
|
147240 |
if (xval >= xstart && xval <= xend) |
908 |
|
|
{ |
909 |
|
128067 |
*put = pixel; |
910 |
|
|
} |
911 |
|
147240 |
xval++; |
912 |
|
147240 |
put++; |
913 |
|
|
} |
914 |
|
|
} |
915 |
|
|
else |
916 |
|
|
{ |
917 |
|
12062 |
xval += count; |
918 |
|
12062 |
put += count; |
919 |
|
|
} |
920 |
|
|
} |
921 |
|
|
else |
922 |
|
|
{ |
923 |
|
41092 |
count++; |
924 |
✓✓ |
247913 |
while (count--) |
925 |
|
|
{ |
926 |
|
206821 |
pixel = *get++; |
927 |
|
|
|
928 |
✓✓✓✓
|
206821 |
if (xval >= xstart && xval <= xend) |
929 |
|
|
{ |
930 |
✓✓ |
171375 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
931 |
|
|
{ |
932 |
|
149643 |
*put = pixel; |
933 |
|
|
} |
934 |
|
|
} |
935 |
|
206821 |
xval++; |
936 |
|
206821 |
put++; |
937 |
|
|
} |
938 |
|
|
} |
939 |
|
|
} |
940 |
|
25134 |
start_pos += pixelmap -> gx_pixelmap_width; |
941 |
|
|
} |
942 |
|
|
} |
943 |
|
|
else |
944 |
|
|
{ |
945 |
|
224 |
xval = 0; |
946 |
|
224 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
947 |
✓✓ |
866 |
while (xval < pixelmap -> gx_pixelmap_width) |
948 |
|
|
{ |
949 |
|
642 |
count = *get++; |
950 |
✓✓ |
642 |
if (count & 0x80) |
951 |
|
|
{ |
952 |
|
305 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
953 |
|
305 |
get++; |
954 |
|
|
} |
955 |
|
|
else |
956 |
|
|
{ |
957 |
|
337 |
count++; |
958 |
|
337 |
get += count; |
959 |
|
|
} |
960 |
|
642 |
xval += count; |
961 |
|
|
} |
962 |
|
|
} |
963 |
|
|
|
964 |
|
|
/* This line is drawn. cache the pointer for next line draw.*/ |
965 |
|
6670 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
966 |
|
6670 |
} |
967 |
|
|
|
968 |
|
|
/**************************************************************************/ |
969 |
|
|
/* */ |
970 |
|
|
/* FUNCTION RELEASE */ |
971 |
|
|
/* */ |
972 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_write */ |
973 |
|
|
/* PORTABLE C */ |
974 |
|
|
/* 6.1 */ |
975 |
|
|
/* AUTHOR */ |
976 |
|
|
/* */ |
977 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
978 |
|
|
/* */ |
979 |
|
|
/* DESCRIPTION */ |
980 |
|
|
/* */ |
981 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
982 |
|
|
/* pixlemap file with alpha channel. */ |
983 |
|
|
/* */ |
984 |
|
|
/* INPUT */ |
985 |
|
|
/* */ |
986 |
|
|
/* context Drawing context */ |
987 |
|
|
/* xstart x-coord of line left */ |
988 |
|
|
/* xend x-coord of line end */ |
989 |
|
|
/* y y-coord of line top */ |
990 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
991 |
|
|
/* alpha Alpha value */ |
992 |
|
|
/* */ |
993 |
|
|
/* OUTPUT */ |
994 |
|
|
/* */ |
995 |
|
|
/* None */ |
996 |
|
|
/* */ |
997 |
|
|
/* CALLS */ |
998 |
|
|
/* */ |
999 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
1000 |
|
|
/* blend function */ |
1001 |
|
|
/* [gx_display_driver_pixel_write] Basic display driver pixel */ |
1002 |
|
|
/* write function */ |
1003 |
|
|
/* */ |
1004 |
|
|
/* CALLED BY */ |
1005 |
|
|
/* */ |
1006 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
1007 |
|
|
/* */ |
1008 |
|
|
/* RELEASE HISTORY */ |
1009 |
|
|
/* */ |
1010 |
|
|
/* DATE NAME DESCRIPTION */ |
1011 |
|
|
/* */ |
1012 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
1013 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
1014 |
|
|
/* resulting in version 6.1 */ |
1015 |
|
|
/* */ |
1016 |
|
|
/**************************************************************************/ |
1017 |
|
33472 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_write(GX_DRAW_CONTEXT *context, |
1018 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
1019 |
|
|
{ |
1020 |
|
|
INT xval; |
1021 |
|
|
GX_CONST GX_UBYTE *get; |
1022 |
|
|
GX_CONST GX_UBYTE *get_alpha; |
1023 |
|
|
GX_UBYTE alpha; |
1024 |
|
|
GX_UBYTE pixel; |
1025 |
|
|
GX_PIXELMAP *pixelmap; |
1026 |
|
|
INT pic_width; |
1027 |
|
|
INT offset; |
1028 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
1029 |
|
|
|
1030 |
|
33472 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
1031 |
|
33472 |
pixelmap = info -> pixelmap; |
1032 |
|
|
|
1033 |
✓✓ |
33472 |
if (blend_func == GX_NULL) |
1034 |
|
|
{ |
1035 |
|
848 |
return; |
1036 |
|
|
} |
1037 |
|
|
|
1038 |
|
32624 |
pic_width = pixelmap -> gx_pixelmap_width; |
1039 |
✓✓✓✓
|
32624 |
if ((info -> draw) && (xstart <= xend)) |
1040 |
|
|
{ |
1041 |
|
32101 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
1042 |
|
32101 |
get_alpha = (GX_CONST GX_UBYTE *)info -> current_aux_ptr; |
1043 |
|
|
|
1044 |
|
|
/*calculate the offset.*/ |
1045 |
|
32101 |
offset = (info -> x_offset % pic_width); |
1046 |
|
|
|
1047 |
✓✓ |
5600581 |
for (xval = xstart; xval <= xend; xval++) |
1048 |
|
|
{ |
1049 |
|
|
/*get points to the start postion of this row. So we need to calculate its position.*/ |
1050 |
|
5568480 |
pixel = *(get + offset); |
1051 |
|
5568480 |
alpha = *(get_alpha + offset); |
1052 |
|
|
|
1053 |
|
5568480 |
blend_func(context, xval, y, pixel, alpha); |
1054 |
|
|
|
1055 |
|
5568480 |
offset++; |
1056 |
✓✓ |
5568480 |
if (offset >= pic_width) |
1057 |
|
|
{ |
1058 |
|
139919 |
offset -= pic_width; |
1059 |
|
|
} |
1060 |
|
|
} |
1061 |
|
|
} |
1062 |
|
|
|
1063 |
|
32624 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
1064 |
|
32624 |
info -> current_aux_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
1065 |
|
|
} |
1066 |
|
|
|
1067 |
|
|
/**************************************************************************/ |
1068 |
|
|
/* */ |
1069 |
|
|
/* FUNCTION RELEASE */ |
1070 |
|
|
/* */ |
1071 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha */ |
1072 |
|
|
/* _write */ |
1073 |
|
|
/* PORTABLE C */ |
1074 |
|
|
/* 6.1 */ |
1075 |
|
|
/* AUTHOR */ |
1076 |
|
|
/* */ |
1077 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
1078 |
|
|
/* */ |
1079 |
|
|
/* DESCRIPTION */ |
1080 |
|
|
/* */ |
1081 |
|
|
/* Internal helper function that handles writing of compressed */ |
1082 |
|
|
/* pixlemap file with alpha channel. */ |
1083 |
|
|
/* */ |
1084 |
|
|
/* INPUT */ |
1085 |
|
|
/* */ |
1086 |
|
|
/* context Drawing context */ |
1087 |
|
|
/* xstart x-coord of line left */ |
1088 |
|
|
/* xend x-coord of line end */ |
1089 |
|
|
/* y y-coord of line top */ |
1090 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
1091 |
|
|
/* */ |
1092 |
|
|
/* OUTPUT */ |
1093 |
|
|
/* */ |
1094 |
|
|
/* None */ |
1095 |
|
|
/* */ |
1096 |
|
|
/* CALLS */ |
1097 |
|
|
/* */ |
1098 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
1099 |
|
|
/* blend function */ |
1100 |
|
|
/* */ |
1101 |
|
|
/* CALLED BY */ |
1102 |
|
|
/* */ |
1103 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
1104 |
|
|
/* */ |
1105 |
|
|
/* RELEASE HISTORY */ |
1106 |
|
|
/* */ |
1107 |
|
|
/* DATE NAME DESCRIPTION */ |
1108 |
|
|
/* */ |
1109 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
1110 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
1111 |
|
|
/* resulting in version 6.1 */ |
1112 |
|
|
/* */ |
1113 |
|
|
/**************************************************************************/ |
1114 |
|
33006 |
static VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha_write(GX_DRAW_CONTEXT *context, |
1115 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
1116 |
|
|
{ |
1117 |
|
|
INT xval; |
1118 |
|
|
USHORT count; |
1119 |
|
|
INT start_pos; |
1120 |
|
|
GX_UBYTE alpha; |
1121 |
|
|
USHORT pixel; |
1122 |
|
33006 |
GX_CONST USHORT *get = GX_NULL; |
1123 |
|
|
GX_PIXELMAP *pixelmap; |
1124 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
1125 |
|
|
|
1126 |
|
33006 |
pixelmap = info -> pixelmap; |
1127 |
|
33006 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
1128 |
|
|
|
1129 |
✓✓ |
33006 |
if (blend_func == GX_NULL) |
1130 |
|
|
{ |
1131 |
|
615 |
return; |
1132 |
|
|
} |
1133 |
|
|
|
1134 |
✓✓✓✓
|
32391 |
if ((info -> draw) && (xstart <= xend)) |
1135 |
|
|
{ |
1136 |
|
|
/* This means it's the draw operation. */ |
1137 |
|
|
/* Skip the invisible pixels.*/ |
1138 |
|
32101 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
1139 |
|
|
|
1140 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
1141 |
✓✓ |
91997 |
while (start_pos <= xend) |
1142 |
|
|
{ |
1143 |
|
59896 |
xval = start_pos; |
1144 |
|
59896 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
1145 |
✓✓ |
501134 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
1146 |
|
|
{ |
1147 |
|
441238 |
count = *get++; |
1148 |
|
|
|
1149 |
✓✓ |
441238 |
if (count & 0x8000) |
1150 |
|
|
{ |
1151 |
|
|
/* repeated value */ |
1152 |
|
275158 |
count = (USHORT)((count & 0x7fff) + 1u); |
1153 |
|
275158 |
pixel = *get++; |
1154 |
|
275158 |
alpha = (GX_UBYTE)((pixel & 0xff00) >> 8); |
1155 |
|
|
|
1156 |
✓✓ |
275158 |
if (alpha) |
1157 |
|
|
{ |
1158 |
✓✓ |
3511321 |
while (count--) |
1159 |
|
|
{ |
1160 |
✓✓✓✓
|
3427208 |
if (xval >= xstart && xval <= xend) |
1161 |
|
|
{ |
1162 |
|
1991230 |
blend_func(context, xval, y, (GX_COLOR)(pixel & 0xff), alpha); |
1163 |
|
|
} |
1164 |
|
3427208 |
xval++; |
1165 |
|
|
} |
1166 |
|
|
} |
1167 |
|
|
else |
1168 |
|
|
{ |
1169 |
|
191045 |
xval += count; |
1170 |
|
|
} |
1171 |
|
|
} |
1172 |
|
|
else |
1173 |
|
|
{ |
1174 |
|
|
/* string of non-repeated values */ |
1175 |
|
166080 |
count++; |
1176 |
✓✓ |
736153 |
while (count--) |
1177 |
|
|
{ |
1178 |
✓✓✓✓
|
570073 |
if (xval >= xstart && xval <= xend) |
1179 |
|
|
{ |
1180 |
|
323363 |
pixel = *get; |
1181 |
|
323363 |
alpha = (GX_UBYTE)((pixel & 0xff00) >> 8); |
1182 |
✓✓ |
323363 |
if (alpha) |
1183 |
|
|
{ |
1184 |
|
306601 |
blend_func(context, xval, y, (GX_COLOR)(pixel & 0xff), alpha); |
1185 |
|
|
} |
1186 |
|
|
} |
1187 |
|
570073 |
get++; |
1188 |
|
570073 |
xval++; |
1189 |
|
|
} |
1190 |
|
|
} |
1191 |
|
|
} |
1192 |
|
59896 |
start_pos += pixelmap -> gx_pixelmap_width; |
1193 |
|
|
} |
1194 |
|
|
} |
1195 |
|
|
else |
1196 |
|
|
{ |
1197 |
|
290 |
xval = 0; |
1198 |
|
290 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
1199 |
|
|
|
1200 |
✓✓ |
2147 |
while (xval < pixelmap -> gx_pixelmap_width) |
1201 |
|
|
{ |
1202 |
|
1857 |
count = *get++; |
1203 |
✓✓ |
1857 |
if (count & 0x8000) |
1204 |
|
|
{ |
1205 |
|
1277 |
count = (USHORT)((count & 0x7fff) + 1); |
1206 |
|
1277 |
get++; |
1207 |
|
|
} |
1208 |
|
|
else |
1209 |
|
|
{ |
1210 |
|
580 |
count++; |
1211 |
|
580 |
get += count; |
1212 |
|
|
} |
1213 |
|
1857 |
xval += count; |
1214 |
|
|
} |
1215 |
|
|
} |
1216 |
|
|
|
1217 |
|
|
/*This line is drawn. cache the pointer for next line draw.*/ |
1218 |
|
32391 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
1219 |
|
|
} |
1220 |
|
|
|
1221 |
|
|
/**************************************************************************/ |
1222 |
|
|
/* */ |
1223 |
|
|
/* FUNCTION RELEASE */ |
1224 |
|
|
/* */ |
1225 |
|
|
/* _gx_display_driver_8bpp_pixelmap_draw PORTABLE C */ |
1226 |
|
|
/* 6.1 */ |
1227 |
|
|
/* AUTHOR */ |
1228 |
|
|
/* */ |
1229 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
1230 |
|
|
/* */ |
1231 |
|
|
/* DESCRIPTION */ |
1232 |
|
|
/* */ |
1233 |
|
|
/* 8bit screen driver pixelmap drawing function that handles */ |
1234 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
1235 |
|
|
/* */ |
1236 |
|
|
/* INPUT */ |
1237 |
|
|
/* */ |
1238 |
|
|
/* context Drawing context */ |
1239 |
|
|
/* xstart x-coord of line left */ |
1240 |
|
|
/* xend x-coord of line end */ |
1241 |
|
|
/* y y-coord of line top */ |
1242 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
1243 |
|
|
/* */ |
1244 |
|
|
/* OUTPUT */ |
1245 |
|
|
/* */ |
1246 |
|
|
/* None */ |
1247 |
|
|
/* */ |
1248 |
|
|
/* CALLS */ |
1249 |
|
|
/* */ |
1250 |
|
|
/* _gx_display_driver_8bit_horizontal_pixelmap_line_raw_write */ |
1251 |
|
|
/* Draw raw pixelmap */ |
1252 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write */ |
1253 |
|
|
/* Draw pixelmap with */ |
1254 |
|
|
/* compression */ |
1255 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_transparent_write */ |
1256 |
|
|
/* Draw pixelmap with */ |
1257 |
|
|
/* transparency */ |
1258 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_ */ |
1259 |
|
|
/* transparent_write */ |
1260 |
|
|
/* Draw pixelmap with */ |
1261 |
|
|
/* transparency and compression*/ |
1262 |
|
|
/* */ |
1263 |
|
|
/* CALLED BY */ |
1264 |
|
|
/* */ |
1265 |
|
|
/* GUIX Internal Code */ |
1266 |
|
|
/* */ |
1267 |
|
|
/* RELEASE HISTORY */ |
1268 |
|
|
/* */ |
1269 |
|
|
/* DATE NAME DESCRIPTION */ |
1270 |
|
|
/* */ |
1271 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
1272 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
1273 |
|
|
/* resulting in version 6.1 */ |
1274 |
|
|
/* */ |
1275 |
|
|
/**************************************************************************/ |
1276 |
|
140791 |
VOID _gx_display_driver_8bpp_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, |
1277 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
1278 |
|
|
{ |
1279 |
|
|
|
1280 |
✓✓ |
140791 |
if (info -> pixelmap == GX_NULL) |
1281 |
|
|
{ |
1282 |
|
1 |
return; |
1283 |
|
|
} |
1284 |
|
|
|
1285 |
✓✓ |
140790 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
1286 |
|
|
{ |
1287 |
✓✓ |
103990 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1288 |
|
|
{ |
1289 |
|
|
/* has both compression and transparent */ |
1290 |
|
6670 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_transparent_write(context, xstart, xend, y, info); |
1291 |
|
|
} |
1292 |
|
|
else |
1293 |
|
|
{ |
1294 |
|
|
/* transparent, no compression */ |
1295 |
|
97320 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_transparent_write(context, xstart, xend, y, info); |
1296 |
|
|
} |
1297 |
|
|
} |
1298 |
|
|
else |
1299 |
|
|
{ |
1300 |
✓✓ |
36800 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1301 |
|
|
{ |
1302 |
|
|
/* compressed with no transparency */ |
1303 |
|
30800 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write(context, xstart, xend, y, info); |
1304 |
|
|
} |
1305 |
|
|
else |
1306 |
|
|
{ |
1307 |
|
|
/* no compression or transaprency */ |
1308 |
|
6000 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_raw_write(context, xstart, xend, y, info); |
1309 |
|
|
} |
1310 |
|
|
} |
1311 |
|
|
|
1312 |
|
|
|
1313 |
|
|
/*Current pixelmap has gone over, so the offset pointer should be reset.*/ |
1314 |
✓✓ |
140790 |
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size) |
1315 |
|
|
{ |
1316 |
|
8233 |
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data; |
1317 |
|
8233 |
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data; |
1318 |
|
|
} |
1319 |
|
|
|
1320 |
|
140790 |
return; |
1321 |
|
|
} |
1322 |
|
|
|
1323 |
|
|
/**************************************************************************/ |
1324 |
|
|
/* */ |
1325 |
|
|
/* FUNCTION RELEASE */ |
1326 |
|
|
/* */ |
1327 |
|
|
/* _gx_display_driver_8bpp_pixelmap_draw PORTABLE C */ |
1328 |
|
|
/* 6.1 */ |
1329 |
|
|
/* AUTHOR */ |
1330 |
|
|
/* */ |
1331 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
1332 |
|
|
/* */ |
1333 |
|
|
/* DESCRIPTION */ |
1334 |
|
|
/* */ |
1335 |
|
|
/* 8bit screen driver pixelmap drawing function that handles */ |
1336 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
1337 |
|
|
/* */ |
1338 |
|
|
/* INPUT */ |
1339 |
|
|
/* */ |
1340 |
|
|
/* context Drawing context */ |
1341 |
|
|
/* xstart x-coord of line left */ |
1342 |
|
|
/* xend x-coord of line end */ |
1343 |
|
|
/* y y-coord of line top */ |
1344 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
1345 |
|
|
/* */ |
1346 |
|
|
/* OUTPUT */ |
1347 |
|
|
/* */ |
1348 |
|
|
/* None */ |
1349 |
|
|
/* */ |
1350 |
|
|
/* CALLS */ |
1351 |
|
|
/* */ |
1352 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_ */ |
1353 |
|
|
/* alpha_blend */ |
1354 |
|
|
/* Blend pixelmap with */ |
1355 |
|
|
/* compression and alpha */ |
1356 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_blend */ |
1357 |
|
|
/* Blend pixelmap with alpha */ |
1358 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_blend */ |
1359 |
|
|
/* Blend pixelmap with */ |
1360 |
|
|
/* compression */ |
1361 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_raw_blend */ |
1362 |
|
|
/* Blend raw pixelmap */ |
1363 |
|
|
/* _gx_display_driver_8bit_horizontal_pixelmap_line_raw_write */ |
1364 |
|
|
/* Draw draw pixelmap */ |
1365 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_write */ |
1366 |
|
|
/* Draw pixelmap with alpha */ |
1367 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write */ |
1368 |
|
|
/* Draw pixelmap with */ |
1369 |
|
|
/* compression */ |
1370 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_ */ |
1371 |
|
|
/* alpha_write */ |
1372 |
|
|
/* DRaw pxielmap with */ |
1373 |
|
|
/* compression and alpha */ |
1374 |
|
|
/* */ |
1375 |
|
|
/* CALLED BY */ |
1376 |
|
|
/* */ |
1377 |
|
|
/* GUIX Internal Code */ |
1378 |
|
|
/* */ |
1379 |
|
|
/* RELEASE HISTORY */ |
1380 |
|
|
/* */ |
1381 |
|
|
/* DATE NAME DESCRIPTION */ |
1382 |
|
|
/* */ |
1383 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
1384 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
1385 |
|
|
/* resulting in version 6.1 */ |
1386 |
|
|
/* */ |
1387 |
|
|
/**************************************************************************/ |
1388 |
|
212101 |
VOID _gx_display_driver_332rgb_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, |
1389 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
1390 |
|
|
{ |
1391 |
|
|
#if defined GX_BRUSH_ALPHA_SUPPORT |
1392 |
|
|
GX_UBYTE alpha; |
1393 |
|
|
|
1394 |
|
212101 |
alpha = context -> gx_draw_context_brush.gx_brush_alpha; |
1395 |
✓✓ |
212101 |
if (alpha == 0) |
1396 |
|
|
{ |
1397 |
|
|
/* Nothing to drawn. Just return. */ |
1398 |
|
37056 |
return; |
1399 |
|
|
} |
1400 |
|
|
|
1401 |
✓✓ |
175045 |
if (info -> pixelmap == GX_NULL) |
1402 |
|
|
{ |
1403 |
|
|
/* No pixelmap info here.So just return. */ |
1404 |
|
1 |
return; |
1405 |
|
|
} |
1406 |
|
|
|
1407 |
✓✓ |
175044 |
if (alpha != 0xff) |
1408 |
|
|
{ |
1409 |
✓✓ |
42498 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1410 |
|
|
{ |
1411 |
✓✓ |
21454 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1412 |
|
|
{ |
1413 |
|
10494 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha_blend(context, xstart, xend, y, info, alpha); |
1414 |
|
|
} |
1415 |
|
|
else |
1416 |
|
|
{ |
1417 |
|
|
/* alpha, no compression */ |
1418 |
|
10960 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_blend(context, xstart, xend, y, info, alpha); |
1419 |
|
|
} |
1420 |
|
|
} |
1421 |
|
|
else |
1422 |
|
|
{ |
1423 |
✓✓ |
21044 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1424 |
|
|
{ |
1425 |
|
10522 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_blend(context, xstart, xend, y, info, alpha); |
1426 |
|
|
} |
1427 |
|
|
else |
1428 |
|
|
{ |
1429 |
|
10522 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_raw_blend(context, xstart, xend, y, info, alpha); |
1430 |
|
|
} |
1431 |
|
|
} |
1432 |
|
|
} |
1433 |
|
|
else |
1434 |
|
|
{ |
1435 |
|
|
#endif |
1436 |
✓✓ |
132546 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1437 |
|
|
{ |
1438 |
✓✓ |
66478 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1439 |
|
|
{ |
1440 |
|
33006 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_alpha_write(context, xstart, xend, y, info); |
1441 |
|
|
} |
1442 |
|
|
else |
1443 |
|
|
{ |
1444 |
|
|
/* alpha, no compression */ |
1445 |
|
33472 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_alpha_write(context, xstart, xend, y, info); |
1446 |
|
|
} |
1447 |
|
|
} |
1448 |
|
|
else |
1449 |
|
|
{ |
1450 |
✓✓ |
66068 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1451 |
|
|
{ |
1452 |
|
33034 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_compressed_write(context, xstart, xend, y, info); |
1453 |
|
|
} |
1454 |
|
|
else |
1455 |
|
|
{ |
1456 |
|
33034 |
_gx_display_driver_8bpp_horizontal_pixelmap_line_raw_write(context, xstart, xend, y, info); |
1457 |
|
|
} |
1458 |
|
|
} |
1459 |
|
|
#if defined GX_BRUSH_ALPHA_SUPPORT |
1460 |
|
|
} |
1461 |
|
|
#endif |
1462 |
|
|
|
1463 |
|
|
/*Current pixelmap has gone over, so the offset pointer should be reset.*/ |
1464 |
✓✓ |
175044 |
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size) |
1465 |
|
|
{ |
1466 |
|
1778 |
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data; |
1467 |
|
1778 |
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data; |
1468 |
|
|
} |
1469 |
|
|
|
1470 |
|
175044 |
return; |
1471 |
|
|
} |
1472 |
|
|
|