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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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_4444argb_horizontal_pixelmap_line_alpha_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 writing of uncompressed */ |
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/* pixlemap file with 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_4444argb_horizontal_pixelmap_line_draw */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_4444argb_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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INT offset; |
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INT pic_width; |
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USHORT color; |
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GX_CONST USHORT *get; |
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GX_PIXELMAP *pixelmap; |
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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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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 = (GX_CONST USHORT *)info -> current_pixel_ptr; |
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/*calculate the offset.*/ |
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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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color = *(get + offset); |
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offset++; |
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✓✓ |
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if (color & 0xf000) |
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{ |
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/* not transparent */ |
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blend_func(context, xval, y, color, alpha); |
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} |
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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(USHORT); |
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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_4444argb_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 writing of uncompressed */ |
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/* pixlemap file with alpha whose value is always 0xf. */ |
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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 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 */ |
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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_4444argb_horizontal_pixelmap_line_draw */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_4444argb_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 USHORT *get; |
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GX_PIXELMAP *pixelmap; |
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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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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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get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
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✓✓✓✓
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if ((info -> draw) && (xstart <= xend)) |
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{ |
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/* calculate the offset. */ |
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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(USHORT); |
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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_4444argb_horizontal_pixelmap_line_compressed_ */ |
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/* alpha_blend */ |
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/* PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
211 |
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/* */ |
212 |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
215 |
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/* */ |
216 |
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/* Internal helper function that handles writing of compressed */ |
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/* pixlemap file with alpha channel. */ |
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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 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 */ |
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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_4444argb_horizontal_pixelmap_line_draw */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_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 start_pos; |
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INT xval; |
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USHORT count; |
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USHORT pixel; |
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GX_CONST USHORT *get = GX_NULL; |
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GX_PIXELMAP *pixelmap; |
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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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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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/* Calculate draw start position. */ |
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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 USHORT *)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 & 0x8000) |
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{ |
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count = (USHORT)((count & 0x7fff) + 1); |
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pixel = *get++; |
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✓✓ |
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if (pixel & 0xf000) |
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{ |
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✓✓ |
56975 |
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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xval += count; |
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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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✓✓ |
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if (pixel & 0xf000) |
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{ |
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blend_func(context, xval, y, pixel, alpha); |
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} |
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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 USHORT *)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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|
6555 |
count = *get++; |
323 |
✓✓ |
6555 |
if (count & 0x8000) |
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{ |
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count = (USHORT)((count & 0x7fff) + 1); |
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3878 |
get++; /* skip repeated pixel value */ |
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} |
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else |
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{ |
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|
2677 |
count++; |
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|
2677 |
get += count; /* skip raw pixel values */ |
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} |
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6555 |
xval += count; |
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} |
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} |
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337 |
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/*This line is drawn. cache the pointer for next line draw.*/ |
338 |
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1072 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
339 |
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} |
340 |
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|
341 |
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/**************************************************************************/ |
342 |
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/* */ |
343 |
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/* FUNCTION RELEASE */ |
344 |
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/* */ |
345 |
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/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_blend */ |
346 |
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/* PORTABLE C */ |
347 |
|
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/* 6.1 */ |
348 |
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/* AUTHOR */ |
349 |
|
|
/* */ |
350 |
|
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/* Kenneth Maxwell, Microsoft Corporation */ |
351 |
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/* */ |
352 |
|
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/* DESCRIPTION */ |
353 |
|
|
/* */ |
354 |
|
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/* Internal helper function that handles writing of compressed */ |
355 |
|
|
/* pixlemap file with alpha whose value is always 0xf. */ |
356 |
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|
/* */ |
357 |
|
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/* INPUT */ |
358 |
|
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/* */ |
359 |
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/* context Drawing context */ |
360 |
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/* xstart x-coord of line left */ |
361 |
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/* xend x-coord of line end */ |
362 |
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/* y y-coord of line top */ |
363 |
|
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/* info GX_FILL_PIXELMAP_INFO struct */ |
364 |
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/* alpha Alpha value */ |
365 |
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/* */ |
366 |
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/* OUTPUT */ |
367 |
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/* */ |
368 |
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/* None */ |
369 |
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/* */ |
370 |
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/* CALLS */ |
371 |
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/* */ |
372 |
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/* None */ |
373 |
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/* */ |
374 |
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/* CALLED BY */ |
375 |
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/* */ |
376 |
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/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
377 |
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/* blend function */ |
378 |
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/* */ |
379 |
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/* CALLED BY */ |
380 |
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/* */ |
381 |
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/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
382 |
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/* */ |
383 |
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/**************************************************************************/ |
384 |
|
1490 |
static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_blend(GX_DRAW_CONTEXT *context, |
385 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info, GX_UBYTE alpha) |
386 |
|
|
{ |
387 |
|
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INT start_pos; |
388 |
|
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INT xval; |
389 |
|
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USHORT count; |
390 |
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USHORT pixel; |
391 |
|
1490 |
GX_CONST USHORT *get = GX_NULL; |
392 |
|
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GX_PIXELMAP *pixelmap; |
393 |
|
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VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
394 |
|
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|
395 |
|
1490 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
396 |
|
1490 |
pixelmap = info -> pixelmap; |
397 |
✓✓ |
1490 |
if (blend_func == GX_NULL) |
398 |
|
|
{ |
399 |
|
728 |
return; |
400 |
|
|
} |
401 |
|
|
|
402 |
✓✓✓✓
|
762 |
if ((info -> draw) && (xstart <= xend)) |
403 |
|
|
{ |
404 |
|
|
/* Calculate draw start position. */ |
405 |
|
682 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
406 |
|
|
|
407 |
|
|
/* Repeat the draw operation to fill the whole dirty area. */ |
408 |
✓✓ |
7607 |
while (start_pos <= xend) |
409 |
|
|
{ |
410 |
|
6925 |
xval = start_pos; |
411 |
|
|
/*Start from where we need to repeat.*/ |
412 |
|
6925 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
413 |
|
|
|
414 |
✓✓ |
22073 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
415 |
|
|
{ |
416 |
|
15148 |
count = *get++; |
417 |
✓✓ |
15148 |
if (count & 0x8000) |
418 |
|
|
{ |
419 |
|
5872 |
count = (USHORT)((count & 0x7fff) + 1); |
420 |
|
5872 |
pixel = *get++; |
421 |
✓✓ |
56818 |
while (count--) |
422 |
|
|
{ |
423 |
✓✓✓✓
|
50946 |
if (xval >= xstart && xval <= xend) |
424 |
|
|
{ |
425 |
|
43068 |
blend_func(context, xval, y, pixel, alpha); |
426 |
|
|
} |
427 |
|
50946 |
xval++; |
428 |
|
|
} |
429 |
|
|
} |
430 |
|
|
else |
431 |
|
|
{ |
432 |
|
9276 |
count++; |
433 |
✓✓ |
87516 |
while (count--) |
434 |
|
|
{ |
435 |
|
78240 |
pixel = *get++; |
436 |
✓✓✓✓
|
78240 |
if (xval >= xstart && xval <= xend) |
437 |
|
|
{ |
438 |
|
71578 |
blend_func(context, xval, y, pixel, alpha); |
439 |
|
|
} |
440 |
|
78240 |
xval++; |
441 |
|
|
} |
442 |
|
|
} |
443 |
|
|
} |
444 |
|
6925 |
start_pos += pixelmap -> gx_pixelmap_width; |
445 |
|
|
} |
446 |
|
|
} |
447 |
|
|
else |
448 |
|
|
{ |
449 |
|
80 |
xval = 0; |
450 |
|
80 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
451 |
✓✓ |
264 |
while (xval < pixelmap -> gx_pixelmap_width) |
452 |
|
|
{ |
453 |
|
184 |
count = *get++; |
454 |
✓✓ |
184 |
if (count & 0x8000) |
455 |
|
|
{ |
456 |
|
78 |
count = (USHORT)((count & 0x7fff) + 1); |
457 |
|
78 |
get++; /* skip repeated pixel value */ |
458 |
|
|
} |
459 |
|
|
else |
460 |
|
|
{ |
461 |
|
106 |
count++; |
462 |
|
106 |
get += count; /* skip raw pixel values */ |
463 |
|
|
} |
464 |
|
184 |
xval += count; |
465 |
|
|
} |
466 |
|
|
} |
467 |
|
|
|
468 |
|
|
/* This line is drawn. cache the pointer for next line draw. */ |
469 |
|
762 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
470 |
|
|
} |
471 |
|
|
|
472 |
|
|
#endif /* GX_BRUSH_ALPHA_SUPPORT */ |
473 |
|
|
/**************************************************************************/ |
474 |
|
|
/* */ |
475 |
|
|
/* FUNCTION RELEASE */ |
476 |
|
|
/* */ |
477 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_write */ |
478 |
|
|
/* PORTABLE C */ |
479 |
|
|
/* 6.1 */ |
480 |
|
|
/* AUTHOR */ |
481 |
|
|
/* */ |
482 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
483 |
|
|
/* */ |
484 |
|
|
/* DESCRIPTION */ |
485 |
|
|
/* */ |
486 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
487 |
|
|
/* pixlemap file with alpha channel. */ |
488 |
|
|
/* */ |
489 |
|
|
/* INPUT */ |
490 |
|
|
/* */ |
491 |
|
|
/* context Drawing context */ |
492 |
|
|
/* xstart x-coord of line left */ |
493 |
|
|
/* xend x-coord of line end */ |
494 |
|
|
/* y y-coord of line top */ |
495 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
496 |
|
|
/* */ |
497 |
|
|
/* OUTPUT */ |
498 |
|
|
/* */ |
499 |
|
|
/* None */ |
500 |
|
|
/* */ |
501 |
|
|
/* CALLS */ |
502 |
|
|
/* */ |
503 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
504 |
|
|
/* blend function */ |
505 |
|
|
/* */ |
506 |
|
|
/* CALLED BY */ |
507 |
|
|
/* */ |
508 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
509 |
|
|
/* */ |
510 |
|
|
/**************************************************************************/ |
511 |
|
1986 |
static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_write(GX_DRAW_CONTEXT *context, |
512 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
513 |
|
|
{ |
514 |
|
|
INT xval; |
515 |
|
|
INT offset; |
516 |
|
|
INT pic_width; |
517 |
|
|
USHORT color; |
518 |
|
|
GX_CONST USHORT *get; |
519 |
|
|
GX_PIXELMAP *pixelmap; |
520 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
521 |
|
|
|
522 |
|
1986 |
pixelmap = info -> pixelmap; |
523 |
|
1986 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
524 |
|
|
|
525 |
✓✓ |
1986 |
if (blend_func == GX_NULL) |
526 |
|
|
{ |
527 |
|
857 |
return; |
528 |
|
|
} |
529 |
|
1129 |
pic_width = pixelmap -> gx_pixelmap_width; |
530 |
|
|
|
531 |
✓✓✓✓
|
1129 |
if ((info -> draw) && (xstart <= xend)) |
532 |
|
|
{ |
533 |
|
907 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
534 |
|
|
|
535 |
|
|
/* calculate the offset. */ |
536 |
|
907 |
offset = (info -> x_offset % pic_width); |
537 |
|
|
|
538 |
✓✓ |
119376 |
for (xval = xstart; xval <= xend; xval++) |
539 |
|
|
{ |
540 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
541 |
|
118469 |
color = *(get + offset); |
542 |
|
118469 |
offset++; |
543 |
|
|
|
544 |
✓✓ |
118469 |
if (color & 0xf000) |
545 |
|
|
{ |
546 |
|
|
/* not transparent */ |
547 |
|
82173 |
blend_func(context, xval, y, color, 0xff); |
548 |
|
|
} |
549 |
|
|
|
550 |
✓✓ |
118469 |
if (offset >= pic_width) |
551 |
|
|
{ |
552 |
|
593 |
offset -= pic_width; |
553 |
|
|
} |
554 |
|
|
} |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
558 |
|
1129 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(USHORT); |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
/**************************************************************************/ |
562 |
|
|
/* */ |
563 |
|
|
/* FUNCTION RELEASE */ |
564 |
|
|
/* */ |
565 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_raw_write */ |
566 |
|
|
/* PORTABLE C */ |
567 |
|
|
/* 6.1 */ |
568 |
|
|
/* AUTHOR */ |
569 |
|
|
/* */ |
570 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
571 |
|
|
/* */ |
572 |
|
|
/* DESCRIPTION */ |
573 |
|
|
/* */ |
574 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
575 |
|
|
/* pixlemap file with alpha whose value is always 0xf. */ |
576 |
|
|
/* */ |
577 |
|
|
/* INPUT */ |
578 |
|
|
/* */ |
579 |
|
|
/* context Drawing context */ |
580 |
|
|
/* xstart x-coord of line left */ |
581 |
|
|
/* xend x-coord of line end */ |
582 |
|
|
/* y y-coord of line top */ |
583 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
584 |
|
|
/* */ |
585 |
|
|
/* OUTPUT */ |
586 |
|
|
/* */ |
587 |
|
|
/* None */ |
588 |
|
|
/* */ |
589 |
|
|
/* CALLS */ |
590 |
|
|
/* */ |
591 |
|
|
/* None */ |
592 |
|
|
/* */ |
593 |
|
|
/* CALLED BY */ |
594 |
|
|
/* */ |
595 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
596 |
|
|
/* */ |
597 |
|
|
/**************************************************************************/ |
598 |
|
1996 |
static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_raw_write(GX_DRAW_CONTEXT *context, |
599 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
600 |
|
|
{ |
601 |
|
|
INT xval; |
602 |
|
|
INT offset; |
603 |
|
|
INT pic_width; |
604 |
|
|
GX_CONST USHORT *get; |
605 |
|
|
USHORT *put; |
606 |
|
|
GX_PIXELMAP *pixelmap; |
607 |
|
|
|
608 |
|
1996 |
pixelmap = info -> pixelmap; |
609 |
|
|
|
610 |
|
1996 |
pic_width = pixelmap -> gx_pixelmap_width; |
611 |
|
1996 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
612 |
|
|
|
613 |
✓✓✓✓
|
1996 |
if ((info -> draw) && (xstart <= xend)) |
614 |
|
|
{ |
615 |
|
1531 |
put = (USHORT *)context -> gx_draw_context_memory; |
616 |
|
1531 |
put += y * context -> gx_draw_context_pitch; |
617 |
|
1531 |
put += xstart; |
618 |
|
|
|
619 |
|
|
/* calculate the offset. */ |
620 |
|
1531 |
offset = (info -> x_offset % pic_width); |
621 |
|
|
|
622 |
✓✓ |
233212 |
for (xval = xstart; xval <= xend; xval++) |
623 |
|
|
{ |
624 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
625 |
|
231681 |
*put++ = *(get + offset); |
626 |
|
231681 |
offset++; |
627 |
✓✓ |
231681 |
if (offset >= pic_width) |
628 |
|
|
{ |
629 |
|
833 |
offset -= pic_width; |
630 |
|
|
} |
631 |
|
|
} |
632 |
|
|
} |
633 |
|
|
|
634 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
635 |
|
1996 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(USHORT); |
636 |
|
1996 |
} |
637 |
|
|
|
638 |
|
|
/**************************************************************************/ |
639 |
|
|
/* */ |
640 |
|
|
/* FUNCTION RELEASE */ |
641 |
|
|
/* */ |
642 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_a_write */ |
643 |
|
|
/* PORTABLE C */ |
644 |
|
|
/* 6.1 */ |
645 |
|
|
/* AUTHOR */ |
646 |
|
|
/* */ |
647 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
648 |
|
|
/* */ |
649 |
|
|
/* DESCRIPTION */ |
650 |
|
|
/* */ |
651 |
|
|
/* Internal helper function that handles writing of compressed */ |
652 |
|
|
/* pixlemap file with alpha channel. */ |
653 |
|
|
/* */ |
654 |
|
|
/* INPUT */ |
655 |
|
|
/* */ |
656 |
|
|
/* context Drawing context */ |
657 |
|
|
/* xstart x-coord of line left */ |
658 |
|
|
/* xend x-coord of line end */ |
659 |
|
|
/* y y-coord of line top */ |
660 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
661 |
|
|
/* */ |
662 |
|
|
/* OUTPUT */ |
663 |
|
|
/* */ |
664 |
|
|
/* None */ |
665 |
|
|
/* */ |
666 |
|
|
/* CALLS */ |
667 |
|
|
/* */ |
668 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
669 |
|
|
/* blend function */ |
670 |
|
|
/* */ |
671 |
|
|
/* CALLED BY */ |
672 |
|
|
/* */ |
673 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
674 |
|
|
/* */ |
675 |
|
|
/**************************************************************************/ |
676 |
|
1796 |
static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_alpha_write(GX_DRAW_CONTEXT *context, |
677 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
678 |
|
|
{ |
679 |
|
|
INT start_pos; |
680 |
|
|
INT xval; |
681 |
|
|
USHORT count; |
682 |
|
|
USHORT pixel; |
683 |
|
1796 |
GX_CONST USHORT *get = GX_NULL; |
684 |
|
|
GX_PIXELMAP *pixelmap; |
685 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
686 |
|
|
|
687 |
|
1796 |
pixelmap = info -> pixelmap; |
688 |
|
1796 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
689 |
|
|
|
690 |
✓✓ |
1796 |
if (blend_func == GX_NULL) |
691 |
|
|
{ |
692 |
|
724 |
return; |
693 |
|
|
} |
694 |
|
|
|
695 |
✓✓✓✓
|
1072 |
if ((info -> draw) && (xstart <= xend)) |
696 |
|
|
{ |
697 |
|
|
/* Calculate draw start position. */ |
698 |
|
710 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
699 |
|
|
|
700 |
|
|
/* Repeat the draw operation to fill the whole dirty area. */ |
701 |
✓✓ |
8370 |
while (start_pos <= xend) |
702 |
|
|
{ |
703 |
|
7660 |
xval = start_pos; |
704 |
|
|
/*Start from where we need to repeat.*/ |
705 |
|
7660 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
706 |
|
|
|
707 |
✓✓ |
30556 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
708 |
|
|
{ |
709 |
|
22896 |
count = *get++; |
710 |
✓✓ |
22896 |
if (count & 0x8000) |
711 |
|
|
{ |
712 |
|
9746 |
count = (USHORT)((count & 0x7fff) + 1); |
713 |
|
9746 |
pixel = *get++; |
714 |
✓✓ |
9746 |
if (pixel & 0xf000) |
715 |
|
|
{ |
716 |
✓✓ |
56975 |
while (count--) |
717 |
|
|
{ |
718 |
✓✓✓✓
|
51115 |
if (xval >= xstart && xval <= xend) |
719 |
|
|
{ |
720 |
|
43400 |
blend_func(context, xval, y, pixel, 0xff); |
721 |
|
|
} |
722 |
|
51115 |
xval++; |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
else |
726 |
|
|
{ |
727 |
|
3886 |
xval += count; |
728 |
|
|
} |
729 |
|
|
} |
730 |
|
|
else |
731 |
|
|
{ |
732 |
|
13150 |
count++; |
733 |
✓✓ |
78596 |
while (count--) |
734 |
|
|
{ |
735 |
|
65446 |
pixel = *get++; |
736 |
✓✓✓✓
|
65446 |
if (xval >= xstart && xval <= xend) |
737 |
|
|
{ |
738 |
✓✓ |
57896 |
if (pixel & 0xf000) |
739 |
|
|
{ |
740 |
|
51331 |
blend_func(context, xval, y, pixel, 0xff); |
741 |
|
|
} |
742 |
|
|
} |
743 |
|
65446 |
xval++; |
744 |
|
|
} |
745 |
|
|
} |
746 |
|
|
} |
747 |
|
7660 |
start_pos += pixelmap -> gx_pixelmap_width; |
748 |
|
|
} |
749 |
|
|
} |
750 |
|
|
else |
751 |
|
|
{ |
752 |
|
362 |
xval = 0; |
753 |
|
362 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
754 |
✓✓ |
6917 |
while (xval < pixelmap -> gx_pixelmap_width) |
755 |
|
|
{ |
756 |
|
6555 |
count = *get++; |
757 |
✓✓ |
6555 |
if (count & 0x8000) |
758 |
|
|
{ |
759 |
|
3878 |
count = (USHORT)((count & 0x7fff) + 1); |
760 |
|
3878 |
get++; /* skip repeated pixel value */ |
761 |
|
|
} |
762 |
|
|
else |
763 |
|
|
{ |
764 |
|
2677 |
count++; |
765 |
|
2677 |
get += count; /* skip raw pixel values */ |
766 |
|
|
} |
767 |
|
6555 |
xval += count; |
768 |
|
|
} |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
/* This line is drawn. cache the pointer for next line draw. */ |
772 |
|
1072 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
773 |
|
|
} |
774 |
|
|
|
775 |
|
|
/**************************************************************************/ |
776 |
|
|
/* */ |
777 |
|
|
/* FUNCTION RELEASE */ |
778 |
|
|
/* */ |
779 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_write */ |
780 |
|
|
/* PORTABLE C */ |
781 |
|
|
/* 6.1 */ |
782 |
|
|
/* AUTHOR */ |
783 |
|
|
/* */ |
784 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
785 |
|
|
/* */ |
786 |
|
|
/* DESCRIPTION */ |
787 |
|
|
/* */ |
788 |
|
|
/* Internal helper function that handles writing of compressed */ |
789 |
|
|
/* pixlemap file with alpha whose value is always 0xf. */ |
790 |
|
|
/* */ |
791 |
|
|
/* INPUT */ |
792 |
|
|
/* */ |
793 |
|
|
/* context Drawing context */ |
794 |
|
|
/* xstart x-coord of line left */ |
795 |
|
|
/* xend x-coord of line end */ |
796 |
|
|
/* y y-coord of line top */ |
797 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
798 |
|
|
/* */ |
799 |
|
|
/* OUTPUT */ |
800 |
|
|
/* */ |
801 |
|
|
/* None */ |
802 |
|
|
/* */ |
803 |
|
|
/* CALLS */ |
804 |
|
|
/* */ |
805 |
|
|
/* None */ |
806 |
|
|
/* */ |
807 |
|
|
/* CALLED BY */ |
808 |
|
|
/* */ |
809 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
810 |
|
|
/* */ |
811 |
|
|
/**************************************************************************/ |
812 |
|
1490 |
static VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_write(GX_DRAW_CONTEXT *context, |
813 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
814 |
|
|
{ |
815 |
|
|
INT start_pos; |
816 |
|
|
INT xval; |
817 |
|
|
USHORT count; |
818 |
|
|
USHORT pixel; |
819 |
|
1490 |
GX_CONST USHORT *get = GX_NULL; |
820 |
|
|
USHORT *put; |
821 |
|
|
GX_PIXELMAP *pixelmap; |
822 |
|
|
|
823 |
|
1490 |
pixelmap = info -> pixelmap; |
824 |
|
|
|
825 |
✓✓✓✓
|
1490 |
if ((info -> draw) && (xstart <= xend)) |
826 |
|
|
{ |
827 |
|
|
/* Calculate draw start position. */ |
828 |
|
1336 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_width); |
829 |
|
|
|
830 |
|
1336 |
put = (USHORT *)context -> gx_draw_context_memory; |
831 |
|
1336 |
put += y * context -> gx_draw_context_pitch + start_pos; |
832 |
|
|
|
833 |
|
|
/* Repeat the draw operation to fill the whole dirty area. */ |
834 |
✓✓ |
15158 |
while (start_pos <= xend) |
835 |
|
|
{ |
836 |
|
13822 |
xval = start_pos; |
837 |
|
|
|
838 |
|
|
/* Start from where we need to repeat. */ |
839 |
|
13822 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
840 |
|
|
|
841 |
✓✓ |
43913 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
842 |
|
|
{ |
843 |
|
30091 |
count = *get++; |
844 |
✓✓ |
30091 |
if (count & 0x8000) |
845 |
|
|
{ |
846 |
|
11614 |
count = (USHORT)((count & 0x7fff) + 1); |
847 |
|
11614 |
pixel = *get++; |
848 |
✓✓ |
108878 |
while (count--) |
849 |
|
|
{ |
850 |
✓✓✓✓
|
97264 |
if (xval >= xstart && xval <= xend) |
851 |
|
|
{ |
852 |
|
86017 |
*put = pixel; |
853 |
|
|
} |
854 |
|
97264 |
xval++; |
855 |
|
97264 |
put++; |
856 |
|
|
} |
857 |
|
|
} |
858 |
|
|
else |
859 |
|
|
{ |
860 |
|
18477 |
count++; |
861 |
✓✓ |
174545 |
while (count--) |
862 |
|
|
{ |
863 |
|
156068 |
pixel = *get++; |
864 |
✓✓✓✓
|
156068 |
if (xval >= xstart && xval <= xend) |
865 |
|
|
{ |
866 |
|
143156 |
*put = pixel; |
867 |
|
|
} |
868 |
|
156068 |
xval++; |
869 |
|
156068 |
put++; |
870 |
|
|
} |
871 |
|
|
} |
872 |
|
|
} |
873 |
|
13822 |
start_pos += pixelmap -> gx_pixelmap_width; |
874 |
|
|
} |
875 |
|
|
} |
876 |
|
|
else |
877 |
|
|
{ |
878 |
|
154 |
xval = 0; |
879 |
|
154 |
get = (GX_CONST USHORT *)info -> current_pixel_ptr; |
880 |
✓✓ |
496 |
while (xval < pixelmap -> gx_pixelmap_width) |
881 |
|
|
{ |
882 |
|
342 |
count = *get++; |
883 |
✓✓ |
342 |
if (count & 0x8000) |
884 |
|
|
{ |
885 |
|
138 |
count = (USHORT)((count & 0x7fff) + 1); |
886 |
|
138 |
get++; /* skip repeated pixel value */ |
887 |
|
|
} |
888 |
|
|
else |
889 |
|
|
{ |
890 |
|
204 |
count++; |
891 |
|
204 |
get += count; /* skip raw pixel values */ |
892 |
|
|
} |
893 |
|
342 |
xval += count; |
894 |
|
|
} |
895 |
|
|
} |
896 |
|
|
|
897 |
|
|
/* This line is drawn. cache the pointer for next line draw. */ |
898 |
|
1490 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
899 |
|
1490 |
} |
900 |
|
|
|
901 |
|
|
/**************************************************************************/ |
902 |
|
|
/* */ |
903 |
|
|
/* FUNCTION RELEASE */ |
904 |
|
|
/* */ |
905 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_draw */ |
906 |
|
|
/* PORTABLE C */ |
907 |
|
|
/* 6.1 */ |
908 |
|
|
/* AUTHOR */ |
909 |
|
|
/* */ |
910 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
911 |
|
|
/* */ |
912 |
|
|
/* DESCRIPTION */ |
913 |
|
|
/* */ |
914 |
|
|
/* 565rgb screen driver pixelmap drawing function that handles */ |
915 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
916 |
|
|
/* */ |
917 |
|
|
/* INPUT */ |
918 |
|
|
/* */ |
919 |
|
|
/* context Drawing context */ |
920 |
|
|
/* xstart x-coord of line left */ |
921 |
|
|
/* xend x-coord of line end */ |
922 |
|
|
/* y y-coord of line top */ |
923 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
924 |
|
|
/* */ |
925 |
|
|
/* OUTPUT */ |
926 |
|
|
/* */ |
927 |
|
|
/* None */ |
928 |
|
|
/* */ |
929 |
|
|
/* CALLS */ |
930 |
|
|
/* */ |
931 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_a_blend */ |
932 |
|
|
/* Real display driver pixelmap */ |
933 |
|
|
/* line draw function */ |
934 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_blend */ |
935 |
|
|
/* Real display driver pixelmap */ |
936 |
|
|
/* line draw function */ |
937 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_blend */ |
938 |
|
|
/* Real display driver pixelmap */ |
939 |
|
|
/* line draw function */ |
940 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_raw_blend */ |
941 |
|
|
/* Real display driver pixelmap */ |
942 |
|
|
/* line draw function */ |
943 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_a_write */ |
944 |
|
|
/* Real display driver pixelmap */ |
945 |
|
|
/* line draw function */ |
946 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_write */ |
947 |
|
|
/* Real display driver pixelmap */ |
948 |
|
|
/* line draw function */ |
949 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_c_write */ |
950 |
|
|
/* Real display driver pixelmap */ |
951 |
|
|
/* line draw function */ |
952 |
|
|
/* _gx_display_driver_4444argb_horizontal_pixelmap_line_raw_write */ |
953 |
|
|
/* Real display driver pixelmap */ |
954 |
|
|
/* line draw function */ |
955 |
|
|
/* */ |
956 |
|
|
/* CALLED BY */ |
957 |
|
|
/* */ |
958 |
|
|
/* GUIX Internal Code */ |
959 |
|
|
/* */ |
960 |
|
|
/**************************************************************************/ |
961 |
|
15443 |
VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, |
962 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
963 |
|
|
{ |
964 |
|
|
#if defined GX_BRUSH_ALPHA_SUPPORT |
965 |
|
|
GX_UBYTE alpha; |
966 |
|
|
|
967 |
|
15443 |
alpha = context -> gx_draw_context_brush.gx_brush_alpha; |
968 |
✓✓✓✓
|
15443 |
if ((alpha == 0) || (info -> pixelmap == GX_NULL)) |
969 |
|
|
{ |
970 |
|
|
/* Nothing to drawn. Just return. */ |
971 |
|
907 |
return; |
972 |
|
|
} |
973 |
✓✓ |
14536 |
if (alpha != 0xff) |
974 |
|
|
{ |
975 |
|
|
|
976 |
✓✓ |
7268 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
977 |
|
|
{ |
978 |
✓✓ |
3782 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
979 |
|
|
{ |
980 |
|
|
/* has both compression and alpha */ |
981 |
|
1796 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_alpha_blend(context, xstart, xend, y, info, alpha); |
982 |
|
|
} |
983 |
|
|
else |
984 |
|
|
{ |
985 |
|
|
/* alpha, no compression */ |
986 |
|
1986 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_blend(context, xstart, xend, y, info, alpha); |
987 |
|
|
} |
988 |
|
|
} |
989 |
|
|
else |
990 |
|
|
{ |
991 |
✓✓ |
3486 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
992 |
|
|
{ |
993 |
|
|
/* compressed with no alpha */ |
994 |
|
1490 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_blend(context, xstart, xend, y, info, alpha); |
995 |
|
|
} |
996 |
|
|
else |
997 |
|
|
{ |
998 |
|
|
/* no compression or alpha */ |
999 |
|
1996 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_raw_blend(context, xstart, xend, y, info, alpha); |
1000 |
|
|
} |
1001 |
|
|
} |
1002 |
|
|
|
1003 |
|
|
/*Current pixelmap has gone over, so the offset pointer should be reset.*/ |
1004 |
✓✓ |
7268 |
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size) |
1005 |
|
|
{ |
1006 |
|
95 |
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data; |
1007 |
|
95 |
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data; |
1008 |
|
|
} |
1009 |
|
7268 |
return; |
1010 |
|
|
} |
1011 |
|
|
#endif |
1012 |
|
|
|
1013 |
✓✓ |
7268 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1014 |
|
|
{ |
1015 |
✓✓ |
3782 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1016 |
|
|
{ |
1017 |
|
|
/* has both compression and alpha */ |
1018 |
|
1796 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_alpha_write(context, xstart, xend, y, info); |
1019 |
|
|
} |
1020 |
|
|
else |
1021 |
|
|
{ |
1022 |
|
|
/* alpha, no compression */ |
1023 |
|
1986 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_alpha_write(context, xstart, xend, y, info); |
1024 |
|
|
} |
1025 |
|
|
} |
1026 |
|
|
else |
1027 |
|
|
{ |
1028 |
✓✓ |
3486 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
1029 |
|
|
{ |
1030 |
|
|
/* has both compression */ |
1031 |
|
1490 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_compressed_write(context, xstart, xend, y, info); |
1032 |
|
|
} |
1033 |
|
|
else |
1034 |
|
|
{ |
1035 |
|
|
/*no alpha, no compression */ |
1036 |
|
1996 |
_gx_display_driver_4444argb_horizontal_pixelmap_line_raw_write(context, xstart, xend, y, info); |
1037 |
|
|
} |
1038 |
|
|
} |
1039 |
|
|
|
1040 |
|
|
/*Current pixelmap has gone over, so the offset pointer should be reset.*/ |
1041 |
✓✓ |
7268 |
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size) |
1042 |
|
|
{ |
1043 |
|
139 |
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data; |
1044 |
|
139 |
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data; |
1045 |
|
|
} |
1046 |
|
|
} |