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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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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_16bpp_rotated_pixelmap_raw_blend PORTABLE C */ |
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/* 6.1.3 */ |
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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 */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* xpos x-coord of top-left draw point*/ |
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/* ypos y-coord of top-left draw point*/ |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
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/* alpha blending value 0 to 255 */ |
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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] Display driver basic 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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/* GUIX Internal Code */ |
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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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/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_16bpp_rotated_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, |
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INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
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{ |
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int xval; |
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int yval; |
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USHORT *get; |
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USHORT *getrow; |
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USHORT pixel; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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GX_SWAP_VALS(xpos, ypos); |
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✓✓ |
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if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
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rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
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rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
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rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
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ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
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} |
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else |
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{ |
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rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
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rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
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rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
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rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
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xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
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} |
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getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
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getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
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getrow += (rotated_clip.gx_rectangle_left - xpos); |
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✓✓ |
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for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
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{ |
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get = getrow; |
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✓✓ |
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for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
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{ |
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pixel = *get++; |
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_gx_display_driver_565rgb_pixel_blend(context, xval, yval, pixel, alpha); |
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} |
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getrow += pixelmap -> gx_pixelmap_height; |
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} |
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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_565rgb_rotated_pixelmap_alpha_blend */ |
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/* PORTABLE C */ |
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/* 6.1.3 */ |
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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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/* pixelmap 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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/* xpos x-coord of top-left draw point*/ |
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/* ypos y-coord of top-left draw point*/ |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
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/* alpha blending value 0 to 255 */ |
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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_565rgb_pixel_blend Display driver basic pixel */ |
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/* blend function */ |
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/* CALLED BY */ |
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/* */ |
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/* GUIX Internal Code */ |
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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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/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_565rgb_rotated_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, |
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INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
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{ |
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INT skipcount; |
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INT xval; |
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INT yval; |
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USHORT *getrow; |
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GX_UBYTE *getrowalpha; |
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USHORT *get; |
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USHORT pixel; |
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GX_UBYTE *getalpha; |
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INT combined_alpha; |
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GX_UBYTE internal_alpha; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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GX_SWAP_VALS(xpos, ypos); |
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✓✓ |
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if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
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rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
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rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
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rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
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ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
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} |
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else |
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{ |
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rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
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rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
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rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
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rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
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xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
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} |
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/* Calculate how many pixels to skip. */ |
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skipcount = (pixelmap -> gx_pixelmap_height) * (rotated_clip.gx_rectangle_top - ypos); |
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skipcount += (rotated_clip.gx_rectangle_left - xpos); |
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getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
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getrow += skipcount; |
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getrowalpha = (GX_UBYTE *)(pixelmap -> gx_pixelmap_aux_data); |
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getrowalpha += skipcount; |
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✓✓ |
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for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
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{ |
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get = getrow; |
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getalpha = getrowalpha; |
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✓✓ |
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for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
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{ |
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internal_alpha = *getalpha++; |
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✓✓ |
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if (internal_alpha) |
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{ |
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combined_alpha = internal_alpha * alpha; |
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combined_alpha /= 255; |
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pixel = *get; |
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_gx_display_driver_565rgb_pixel_blend(context, xval, yval, pixel, (GX_UBYTE)combined_alpha); |
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} |
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get++; |
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} |
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getrow += pixelmap -> gx_pixelmap_height; |
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getrowalpha += pixelmap -> gx_pixelmap_height; |
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} |
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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_16bpp_rotated_pixelmap_compressed_blend */ |
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/* PORTABLE C */ |
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/* 6.1.3 */ |
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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 . */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* xpos x-coord of top-left draw point*/ |
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/* ypos y-coord of top-left draw point*/ |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
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/* alpha blending value 0 to 255 */ |
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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] Display driver basic 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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/* GUIX Internal Code */ |
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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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/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_16bpp_rotated_pixelmap_compressed_blend(GX_DRAW_CONTEXT *context, |
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INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
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{ |
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int yval; |
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int xval; |
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GX_CONST USHORT *get; |
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USHORT count; |
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USHORT pixel; |
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VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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blend_func = _gx_display_driver_565rgb_pixel_blend; |
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get = (GX_CONST USHORT *)pixelmap -> gx_pixelmap_data; |
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GX_SWAP_VALS(xpos, ypos); |
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✓✓ |
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if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
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rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
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rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
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rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
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ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
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} |
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else |
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{ |
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rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
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rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
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rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
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rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
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xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
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} |
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/* Compressed with no alpha is a two-byte count and two-byte pixel value. */ |
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/* First, skip to the starting row. */ |
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✓✓ |
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for (yval = ypos; yval < rotated_clip.gx_rectangle_top; yval++) |
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{ |
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xval = 0; |
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✓✓ |
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while (xval < pixelmap -> gx_pixelmap_height) |
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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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/* Skip repeated pixel value. */ |
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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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/* Skip raw pixel values. */ |
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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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✓✓ |
3983 |
while (yval <= rotated_clip.gx_rectangle_bottom) |
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{ |
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xval = xpos; |
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|
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✓✓ |
36914 |
while (xval < xpos + pixelmap -> gx_pixelmap_height) |
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{ |
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count = *get++; |
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✓✓ |
32948 |
if (count & 0x8000) |
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{ |
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/* Repeated value. */ |
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count = (USHORT)((count & 0x7fff) + 1); |
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|
15810 |
pixel = *get++; |
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|
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✓✓ |
81428 |
while (count--) |
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{ |
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✓✓ |
65618 |
if (xval >= rotated_clip.gx_rectangle_left && |
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✓✓ |
62430 |
xval <= rotated_clip.gx_rectangle_right) |
355 |
|
|
{ |
356 |
|
60205 |
blend_func(context, xval, yval, pixel, alpha); |
357 |
|
|
} |
358 |
|
65618 |
xval++; |
359 |
|
|
} |
360 |
|
|
} |
361 |
|
|
else |
362 |
|
|
{ |
363 |
|
|
/* String of non-repeated values. */ |
364 |
|
17138 |
count++; |
365 |
✓✓ |
451236 |
while (count--) |
366 |
|
|
{ |
367 |
✓✓ |
434098 |
if (xval >= rotated_clip.gx_rectangle_left && |
368 |
✓✓ |
408797 |
xval <= rotated_clip.gx_rectangle_right) |
369 |
|
|
{ |
370 |
|
383234 |
pixel = *get; |
371 |
|
383234 |
blend_func(context, xval, yval, pixel, alpha); |
372 |
|
|
} |
373 |
|
434098 |
get++; |
374 |
|
434098 |
xval++; |
375 |
|
|
} |
376 |
|
|
} |
377 |
|
|
} |
378 |
|
3966 |
yval++; |
379 |
|
|
} |
380 |
|
17 |
} |
381 |
|
|
|
382 |
|
|
/**************************************************************************/ |
383 |
|
|
/* */ |
384 |
|
|
/* FUNCTION RELEASE */ |
385 |
|
|
/* */ |
386 |
|
|
/* _gx_display_driver_565rgb_rotated_palette_pixelmap_raw_blend */ |
387 |
|
|
/* PORTABLE C */ |
388 |
|
|
/* 6.1.3 */ |
389 |
|
|
/* AUTHOR */ |
390 |
|
|
/* */ |
391 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
392 |
|
|
/* */ |
393 |
|
|
/* DESCRIPTION */ |
394 |
|
|
/* */ |
395 |
|
|
/* Internal helper function that handles blending of raw pixlemap */ |
396 |
|
|
/* file without transparent for palette pixelmap. */ |
397 |
|
|
/* */ |
398 |
|
|
/* INPUT */ |
399 |
|
|
/* */ |
400 |
|
|
/* context Drawing context */ |
401 |
|
|
/* xpos x-coord of top-left draw point*/ |
402 |
|
|
/* ypos y-coord of top-left draw point*/ |
403 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
404 |
|
|
/* alpha blending value 0 to 255 */ |
405 |
|
|
/* */ |
406 |
|
|
/* OUTPUT */ |
407 |
|
|
/* */ |
408 |
|
|
/* None */ |
409 |
|
|
/* */ |
410 |
|
|
/* CALLS */ |
411 |
|
|
/* */ |
412 |
|
|
/* _gx_display_driver_565rgb_pixel_blend Display driver basic pixel */ |
413 |
|
|
/* blend function */ |
414 |
|
|
/* */ |
415 |
|
|
/* CALLED BY */ |
416 |
|
|
/* */ |
417 |
|
|
/* GUIX Internal Code */ |
418 |
|
|
/* */ |
419 |
|
|
/* RELEASE HISTORY */ |
420 |
|
|
/* */ |
421 |
|
|
/* DATE NAME DESCRIPTION */ |
422 |
|
|
/* */ |
423 |
|
|
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
424 |
|
|
/* */ |
425 |
|
|
/**************************************************************************/ |
426 |
|
17 |
static VOID _gx_display_driver_565rgb_rotated_palette_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, |
427 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
428 |
|
|
{ |
429 |
|
|
INT xval; |
430 |
|
|
INT yval; |
431 |
|
|
GX_UBYTE *getrow; |
432 |
|
|
GX_CONST GX_UBYTE *get; |
433 |
|
|
GX_COLOR *palette; |
434 |
|
|
USHORT pixel; |
435 |
|
|
GX_UBYTE r; |
436 |
|
|
GX_UBYTE g; |
437 |
|
|
GX_UBYTE b; |
438 |
|
|
|
439 |
|
17 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
440 |
|
|
GX_RECTANGLE rotated_clip; |
441 |
|
|
|
442 |
|
17 |
GX_SWAP_VALS(xpos, ypos); |
443 |
|
|
|
444 |
✓✓ |
17 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
445 |
|
|
{ |
446 |
|
12 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
447 |
|
12 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
448 |
|
12 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
449 |
|
12 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
450 |
|
12 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
451 |
|
|
} |
452 |
|
|
else |
453 |
|
|
{ |
454 |
|
5 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
455 |
|
5 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
456 |
|
5 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
457 |
|
5 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
458 |
|
5 |
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
459 |
|
|
} |
460 |
|
|
|
461 |
|
17 |
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data); |
462 |
|
17 |
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
463 |
|
17 |
getrow += (rotated_clip.gx_rectangle_left - xpos); |
464 |
|
|
|
465 |
|
17 |
palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
466 |
|
|
|
467 |
✓✓ |
3983 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
468 |
|
|
{ |
469 |
|
3966 |
get = getrow; |
470 |
|
|
|
471 |
✓✓ |
447405 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
472 |
|
|
{ |
473 |
|
443439 |
r = (GX_UBYTE)(REDVAL_32BPP(palette[*get]) >> 3); |
474 |
|
443439 |
g = (GX_UBYTE)(GREENVAL_32BPP(palette[*get]) >> 2); |
475 |
|
443439 |
b = (GX_UBYTE)(BLUEVAL_32BPP(palette[*get++]) >> 3); |
476 |
|
443439 |
pixel = (USHORT)ASSEMBLECOLOR_16BPP(r, g, b); |
477 |
|
443439 |
_gx_display_driver_565rgb_pixel_blend(context, xval, yval, pixel, alpha); |
478 |
|
|
} |
479 |
|
3966 |
getrow += pixelmap -> gx_pixelmap_height; |
480 |
|
|
} |
481 |
|
17 |
} |
482 |
|
|
|
483 |
|
|
/**************************************************************************/ |
484 |
|
|
/* */ |
485 |
|
|
/* FUNCTION RELEASE */ |
486 |
|
|
/* */ |
487 |
|
|
/* _gx_display_driver_565rgb_rotated_palette_pixelmap_transparent_blend*/ |
488 |
|
|
/* PORTABLE C */ |
489 |
|
|
/* 6.1.3 */ |
490 |
|
|
/* AUTHOR */ |
491 |
|
|
/* */ |
492 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
493 |
|
|
/* */ |
494 |
|
|
/* DESCRIPTION */ |
495 |
|
|
/* */ |
496 |
|
|
/* Internal helper function that handles blending of raw pixlemap */ |
497 |
|
|
/* file with transparent for palette pixelmap. */ |
498 |
|
|
/* */ |
499 |
|
|
/* INPUT */ |
500 |
|
|
/* */ |
501 |
|
|
/* context Drawing context */ |
502 |
|
|
/* xpos x-coord of top-left draw point*/ |
503 |
|
|
/* ypos y-coord of top-left draw point*/ |
504 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
505 |
|
|
/* alpha blending value 0 to 255 */ |
506 |
|
|
/* */ |
507 |
|
|
/* OUTPUT */ |
508 |
|
|
/* */ |
509 |
|
|
/* None */ |
510 |
|
|
/* */ |
511 |
|
|
/* CALLS */ |
512 |
|
|
/* */ |
513 |
|
|
/* _gx_display_driver_565rgb_pixel_blend Display driver basic pixel */ |
514 |
|
|
/* blend function */ |
515 |
|
|
/* */ |
516 |
|
|
/* CALLED BY */ |
517 |
|
|
/* */ |
518 |
|
|
/* GUIX Internal Code */ |
519 |
|
|
/* */ |
520 |
|
|
/* RELEASE HISTORY */ |
521 |
|
|
/* */ |
522 |
|
|
/* DATE NAME DESCRIPTION */ |
523 |
|
|
/* */ |
524 |
|
|
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
525 |
|
|
/* */ |
526 |
|
|
/**************************************************************************/ |
527 |
|
17 |
static VOID _gx_display_driver_565rgb_rotated_palette_pixelmap_transparent_blend(GX_DRAW_CONTEXT *context, |
528 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
529 |
|
|
{ |
530 |
|
|
INT xval; |
531 |
|
|
INT yval; |
532 |
|
|
GX_UBYTE *getrow; |
533 |
|
|
GX_CONST GX_UBYTE *get; |
534 |
|
|
GX_COLOR *palette; |
535 |
|
|
USHORT pixel; |
536 |
|
|
GX_UBYTE r; |
537 |
|
|
GX_UBYTE g; |
538 |
|
|
GX_UBYTE b; |
539 |
|
|
|
540 |
|
17 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
541 |
|
|
GX_RECTANGLE rotated_clip; |
542 |
|
|
|
543 |
|
17 |
GX_SWAP_VALS(xpos, ypos); |
544 |
|
|
|
545 |
✓✓ |
17 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
546 |
|
|
{ |
547 |
|
12 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
548 |
|
12 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
549 |
|
12 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
550 |
|
12 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
551 |
|
12 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
552 |
|
|
} |
553 |
|
|
else |
554 |
|
|
{ |
555 |
|
5 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
556 |
|
5 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
557 |
|
5 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
558 |
|
5 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
559 |
|
5 |
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
560 |
|
|
} |
561 |
|
|
|
562 |
|
17 |
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data); |
563 |
|
17 |
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
564 |
|
17 |
getrow += (rotated_clip.gx_rectangle_left - xpos); |
565 |
|
|
|
566 |
|
17 |
palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
567 |
|
|
|
568 |
✓✓ |
549 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
569 |
|
|
{ |
570 |
|
532 |
get = getrow; |
571 |
|
|
|
572 |
✓✓ |
16093 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
573 |
|
|
{ |
574 |
✓✓ |
15561 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
575 |
|
|
{ |
576 |
|
6038 |
r = (GX_UBYTE)(REDVAL_32BPP(palette[*get]) >> 3); |
577 |
|
6038 |
g = (GX_UBYTE)(GREENVAL_32BPP(palette[*get]) >> 2); |
578 |
|
6038 |
b = (GX_UBYTE)(BLUEVAL_32BPP(palette[*get]) >> 3); |
579 |
|
6038 |
pixel = (USHORT)ASSEMBLECOLOR_16BPP(r, g, b); |
580 |
|
6038 |
_gx_display_driver_565rgb_pixel_blend(context, xval, yval, pixel, alpha); |
581 |
|
|
} |
582 |
|
15561 |
get++; |
583 |
|
|
} |
584 |
|
532 |
getrow += pixelmap -> gx_pixelmap_height; |
585 |
|
|
} |
586 |
|
17 |
} |
587 |
|
|
|
588 |
|
|
/**************************************************************************/ |
589 |
|
|
/* */ |
590 |
|
|
/* FUNCTION RELEASE */ |
591 |
|
|
/* */ |
592 |
|
|
/* _gx_display_driver_565rgb_rotated_4444argb_pixelmap_raw_blend */ |
593 |
|
|
/* PORTABLE C */ |
594 |
|
|
/* 6.1.3 */ |
595 |
|
|
/* AUTHOR */ |
596 |
|
|
/* */ |
597 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
598 |
|
|
/* */ |
599 |
|
|
/* DESCRIPTION */ |
600 |
|
|
/* */ |
601 |
|
|
/* Internal helper function that handles blending of uncompressed */ |
602 |
|
|
/* pixlemap file with alpha channel of 4444argb format. */ |
603 |
|
|
/* */ |
604 |
|
|
/* INPUT */ |
605 |
|
|
/* */ |
606 |
|
|
/* context Drawing context */ |
607 |
|
|
/* xpos x-coord of top-left draw point*/ |
608 |
|
|
/* ypos y-coord of top-left draw point*/ |
609 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
610 |
|
|
/* alpha blending value 0 to 255 */ |
611 |
|
|
/* */ |
612 |
|
|
/* OUTPUT */ |
613 |
|
|
/* */ |
614 |
|
|
/* None */ |
615 |
|
|
/* */ |
616 |
|
|
/* CALLS */ |
617 |
|
|
/* */ |
618 |
|
|
/* _gx_display_driver_565rgb_pixel_blend Display driver basic pixel */ |
619 |
|
|
/* blend function */ |
620 |
|
|
/* */ |
621 |
|
|
/* CALLED BY */ |
622 |
|
|
/* */ |
623 |
|
|
/* GUIX Internal Code */ |
624 |
|
|
/* */ |
625 |
|
|
/* RELEASE HISTORY */ |
626 |
|
|
/* */ |
627 |
|
|
/* DATE NAME DESCRIPTION */ |
628 |
|
|
/* */ |
629 |
|
|
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
630 |
|
|
/* */ |
631 |
|
|
/**************************************************************************/ |
632 |
|
17 |
static VOID _gx_display_driver_565rgb_rotated_4444argb_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, |
633 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
634 |
|
|
{ |
635 |
|
|
INT skipcount; |
636 |
|
|
INT xval; |
637 |
|
|
INT yval; |
638 |
|
|
USHORT *getrow; |
639 |
|
|
GX_CONST USHORT *get; |
640 |
|
|
UCHAR alpha_value; |
641 |
|
|
GX_UBYTE combined_alpha; |
642 |
|
|
USHORT pixel; |
643 |
|
|
|
644 |
|
17 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
645 |
|
|
GX_RECTANGLE rotated_clip; |
646 |
|
|
|
647 |
|
17 |
GX_SWAP_VALS(xpos, ypos); |
648 |
|
|
|
649 |
✓✓ |
17 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
650 |
|
|
{ |
651 |
|
12 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
652 |
|
12 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
653 |
|
12 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
654 |
|
12 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
655 |
|
12 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
656 |
|
|
} |
657 |
|
|
else |
658 |
|
|
{ |
659 |
|
5 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
660 |
|
5 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
661 |
|
5 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
662 |
|
5 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
663 |
|
5 |
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
/* Calculate how many pixels to skip. */ |
667 |
|
17 |
skipcount = (pixelmap -> gx_pixelmap_height) * (rotated_clip.gx_rectangle_top - ypos); |
668 |
|
17 |
skipcount += (rotated_clip.gx_rectangle_left - xpos); |
669 |
|
17 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
670 |
|
17 |
getrow += skipcount; |
671 |
|
|
|
672 |
✓✓ |
549 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
673 |
|
|
{ |
674 |
|
532 |
get = getrow; |
675 |
|
|
|
676 |
✓✓ |
16093 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
677 |
|
|
{ |
678 |
|
|
/* 0x000f- -> b , 0x00f0- -> g , 0x0f00- -> r , 0xf000- -> a */ |
679 |
|
|
/* 4444bgra - -> 565rgb */ |
680 |
|
15561 |
alpha_value = (UCHAR)(((*get) & 0xf000) >> 8); |
681 |
✓✓ |
15561 |
if (alpha_value) |
682 |
|
|
{ |
683 |
|
7064 |
alpha_value = alpha_value | (alpha_value >> 4); |
684 |
|
7064 |
pixel = (USHORT)((((*get) & 0x0f00) << 4) | (((*get) & 0x00f0) << 3) | (((*get) & 0x000f) << 1)); |
685 |
|
7064 |
combined_alpha = (GX_UBYTE)(alpha * alpha_value / 255); |
686 |
|
7064 |
_gx_display_driver_565rgb_pixel_blend(context, xval, yval, pixel, combined_alpha); |
687 |
|
|
} |
688 |
|
15561 |
get++; |
689 |
|
|
} |
690 |
|
532 |
getrow += pixelmap -> gx_pixelmap_height; |
691 |
|
|
} |
692 |
|
17 |
} |
693 |
|
|
|
694 |
|
|
/**************************************************************************/ |
695 |
|
|
/* */ |
696 |
|
|
/* FUNCTION RELEASE */ |
697 |
|
|
/* */ |
698 |
|
|
/* _gx_display_driver_565rgb_rotated_pixelmap_blend PORTABLE C */ |
699 |
|
|
/* 6.1.3 */ |
700 |
|
|
/* AUTHOR */ |
701 |
|
|
/* */ |
702 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
703 |
|
|
/* */ |
704 |
|
|
/* DESCRIPTION */ |
705 |
|
|
/* */ |
706 |
|
|
/* Driver entry point for pixelmap blending function that handles */ |
707 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
708 |
|
|
/* */ |
709 |
|
|
/* INPUT */ |
710 |
|
|
/* */ |
711 |
|
|
/* context Drawing context */ |
712 |
|
|
/* xpos x-coord of top-left draw point*/ |
713 |
|
|
/* ypos y-coord of top-left draw point*/ |
714 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
715 |
|
|
/* alpha blending value 0 to 255 */ |
716 |
|
|
/* */ |
717 |
|
|
/* OUTPUT */ |
718 |
|
|
/* */ |
719 |
|
|
/* None */ |
720 |
|
|
/* */ |
721 |
|
|
/* CALLS */ |
722 |
|
|
/* */ |
723 |
|
|
/* _gx_display_driver_565rgb_rotated_palette_pixelmap_transparent_blend*/ |
724 |
|
|
/* _gx_display_driver_565rgb_rotated_palette_pixelmap_raw_blend */ |
725 |
|
|
/* _gx_display_driver_565rgb_rotated_4444argb_pixelmap_raw_blend */ |
726 |
|
|
/* _gx_display_driver_565rgb_rotated_pixelmap_alpha_blend */ |
727 |
|
|
/* _gx_display_driver_16bpp_rotated_pixelmap_compressed_blend */ |
728 |
|
|
/* _gx_display_driver_16bpp_rotated_pixelmap_raw_blend */ |
729 |
|
|
/* */ |
730 |
|
|
/* CALLED BY */ |
731 |
|
|
/* */ |
732 |
|
|
/* GUIX Internal Code */ |
733 |
|
|
/* */ |
734 |
|
|
/* RELEASE HISTORY */ |
735 |
|
|
/* */ |
736 |
|
|
/* DATE NAME DESCRIPTION */ |
737 |
|
|
/* */ |
738 |
|
|
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
739 |
|
|
/* */ |
740 |
|
|
/**************************************************************************/ |
741 |
|
117 |
VOID _gx_display_driver_565rgb_rotated_pixelmap_blend(GX_DRAW_CONTEXT *context, |
742 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
743 |
|
|
{ |
744 |
✓✓ |
117 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
745 |
|
|
{ |
746 |
✓✓ |
18 |
if (pixelmap -> gx_pixelmap_format != GX_COLOR_FORMAT_565RGB) |
747 |
|
|
{ |
748 |
|
1 |
return; |
749 |
|
|
} |
750 |
|
|
} |
751 |
|
|
|
752 |
✓✓✓✓
|
116 |
switch (pixelmap -> gx_pixelmap_format) |
753 |
|
|
{ |
754 |
|
35 |
case GX_COLOR_FORMAT_8BIT_PALETTE: |
755 |
✓✓ |
35 |
if (pixelmap -> gx_pixelmap_aux_data == GX_NULL) |
756 |
|
|
{ |
757 |
|
1 |
break; |
758 |
|
|
} |
759 |
|
|
|
760 |
✓✓ |
34 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
761 |
|
|
{ |
762 |
|
17 |
_gx_display_driver_565rgb_rotated_palette_pixelmap_transparent_blend(context, xpos, ypos, pixelmap, alpha); |
763 |
|
|
} |
764 |
|
|
else |
765 |
|
|
{ |
766 |
|
17 |
_gx_display_driver_565rgb_rotated_palette_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
767 |
|
|
} |
768 |
|
34 |
break; |
769 |
|
|
|
770 |
|
17 |
case GX_COLOR_FORMAT_4444ARGB: |
771 |
|
17 |
_gx_display_driver_565rgb_rotated_4444argb_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
772 |
|
17 |
break; |
773 |
|
|
|
774 |
|
63 |
case GX_COLOR_FORMAT_565RGB: |
775 |
✓✓ |
63 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
776 |
|
|
{ |
777 |
|
34 |
_gx_display_driver_565rgb_rotated_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
778 |
|
|
} |
779 |
|
|
else |
780 |
|
|
{ |
781 |
✓✓ |
29 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
782 |
|
|
{ |
783 |
|
17 |
_gx_display_driver_16bpp_rotated_pixelmap_compressed_blend(context, xpos, ypos, pixelmap, alpha); |
784 |
|
|
} |
785 |
|
|
else |
786 |
|
|
{ |
787 |
|
12 |
_gx_display_driver_16bpp_rotated_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
788 |
|
|
} |
789 |
|
|
} |
790 |
|
63 |
break; |
791 |
|
|
|
792 |
|
1 |
default: |
793 |
|
1 |
return; |
794 |
|
|
} |
795 |
|
|
} |
796 |
|
|
|