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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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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_24xrgb_pixelmap_raw_blend PORTABLE C */ |
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/* 6.1.7 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* Internal helper function that handles blending of uncompressed */ |
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/* pixlemap file without alpha channel. */ |
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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_24xrgb_pixel_blend Display driver basic function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_24xrgb_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_24xrgb_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, 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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INT draw_width; |
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GX_COLOR color; |
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ULONG *get; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
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get += pixelmap -> gx_pixelmap_width * (clip -> gx_rectangle_top - ypos); |
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get += (clip -> gx_rectangle_left - xpos); |
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draw_width = clip -> gx_rectangle_right - clip -> gx_rectangle_left + 1; |
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✓✓ |
192606 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
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{ |
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✓✓ |
88821272 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
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{ |
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color = *get & 0x00ffffff; |
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get++; |
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_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, color, alpha); |
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} |
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get += pixelmap -> gx_pixelmap_width - draw_width; |
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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_24xrgb_pixelmap_alpha_blend PORTABLE C */ |
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/* 6.1.7 */ |
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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 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_24xrgb_pixel_blend Display driver basic function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_24xrgb_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_24xrgb_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 xval; |
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int yval; |
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int color; |
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int width; |
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ULONG *get; |
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UCHAR alpha_value; |
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ULONG combined_alpha; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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get = (GX_COLOR *)(pixelmap -> gx_pixelmap_data + (INT)sizeof(GX_COLOR) * pixelmap -> gx_pixelmap_width * (clip -> gx_rectangle_top - ypos)); |
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get += (clip -> gx_rectangle_left - xpos); |
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width = clip -> gx_rectangle_right - clip -> gx_rectangle_left + 1; |
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✓✓ |
247795 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
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{ |
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✓✓ |
1000316 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
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{ |
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alpha_value = (UCHAR)(*get >> 24); |
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✓✓ |
762493 |
if (alpha_value) |
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{ |
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combined_alpha = alpha_value; |
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combined_alpha *= alpha; |
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combined_alpha /= 255; |
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✓✓ |
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if (combined_alpha) |
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{ |
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color = *get & 0x00ffffff; |
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_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, (GX_COLOR)color, (GX_UBYTE)combined_alpha); |
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} |
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} |
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get++; |
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} |
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get += pixelmap -> gx_pixelmap_width - width; |
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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_24xrgb_palette_pixelmap_blend PORTABLE C */ |
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/* 6.1.7 */ |
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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 without transparent of palette pixelmap. */ |
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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_24xrgb_pixel_blend Display driver basic function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_24xrgb_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_24xrgb_palette_pixelmap_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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GX_COLOR color; |
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INT width; |
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GX_UBYTE *get; |
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GX_COLOR *palette; |
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GX_UBYTE r; |
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GX_UBYTE g; |
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GX_UBYTE b; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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get = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data + pixelmap -> gx_pixelmap_width * (clip -> gx_rectangle_top - ypos)); |
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get += (clip -> gx_rectangle_left - xpos); |
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palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
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width = clip -> gx_rectangle_right - clip -> gx_rectangle_left + 1; |
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✓✓ |
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for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
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{ |
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✓✓ |
266591 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
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{ |
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r = (GX_UBYTE)REDVAL_32BPP(palette[*get]); |
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g = (GX_UBYTE)GREENVAL_32BPP(palette[*get]); |
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b = (GX_UBYTE)BLUEVAL_32BPP(palette[*get++]); |
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color = (GX_COLOR)ASSEMBLECOLOR_24BPP(r, g, b); |
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_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, color, alpha); |
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} |
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get += pixelmap -> gx_pixelmap_width - width; |
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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_24xrgb_palette_pixelmap_transparent_blend */ |
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/* PORTABLE C */ |
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/* 6.1.7 */ |
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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 transparent of palette pixelmap. */ |
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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_24xrgb_pixel_blend Display driver basic function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_24xrgb_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_24xrgb_palette_pixelmap_transparent_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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GX_COLOR color; |
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INT width; |
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GX_UBYTE *get; |
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GX_COLOR *palette; |
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GX_UBYTE r; |
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GX_UBYTE g; |
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GX_UBYTE b; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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get = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data + pixelmap -> gx_pixelmap_width * (clip -> gx_rectangle_top - ypos)); |
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get += (clip -> gx_rectangle_left - xpos); |
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palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
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width = clip -> gx_rectangle_right - clip -> gx_rectangle_left + 1; |
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✓✓ |
498 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
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{ |
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✓✓ |
86304 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
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{ |
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✓✓ |
85808 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
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{ |
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66228 |
r = (GX_UBYTE)REDVAL_32BPP(palette[*get]); |
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66228 |
g = (GX_UBYTE)GREENVAL_32BPP(palette[*get]); |
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66228 |
b = (GX_UBYTE)BLUEVAL_32BPP(palette[*get]); |
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66228 |
color = (GX_COLOR)ASSEMBLECOLOR_24BPP(r, g, b); |
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66228 |
_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, color, alpha); |
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} |
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85808 |
get++; |
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} |
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get += pixelmap -> gx_pixelmap_width - width; |
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} |
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} |
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327 |
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/**************************************************************************/ |
328 |
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/* */ |
329 |
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/* FUNCTION RELEASE */ |
330 |
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/* */ |
331 |
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/* _gx_display_driver_24xrgb_4444argb_pixelmap_alpha_blend */ |
332 |
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/* PORTABLE C */ |
333 |
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/* 6.1 */ |
334 |
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/* AUTHOR */ |
335 |
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/* */ |
336 |
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/* Kenneth Maxwell, Microsoft Corporation */ |
337 |
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/* */ |
338 |
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/* DESCRIPTION */ |
339 |
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/* */ |
340 |
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/* Internal helper function that handles writing of uncompressed */ |
341 |
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/* pixlemap file with alpha channel of 4444argb format. */ |
342 |
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/* */ |
343 |
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/* INPUT */ |
344 |
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/* */ |
345 |
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/* context Drawing context */ |
346 |
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/* xpos x-coord of top-left draw point*/ |
347 |
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/* ypos y-coord of top-left draw point*/ |
348 |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
349 |
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/* alpha blending value 0 to 255 */ |
350 |
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/* */ |
351 |
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/* OUTPUT */ |
352 |
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/* */ |
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/* None */ |
354 |
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/* */ |
355 |
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/* CALLS */ |
356 |
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/* */ |
357 |
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/* _gx_display_driver_24xrgb_pixel_blend Display driver basic function */ |
358 |
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/* */ |
359 |
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/* CALLED BY */ |
360 |
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/* */ |
361 |
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/* _gx_display_driver_24xrgb_pixelmap_blend */ |
362 |
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/* */ |
363 |
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/**************************************************************************/ |
364 |
|
9 |
static VOID _gx_display_driver_24xrgb_4444argb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
365 |
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{ |
366 |
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INT skipcount; |
367 |
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INT xval; |
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INT yval; |
369 |
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USHORT *getrow; |
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GX_CONST USHORT *get; |
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UCHAR falpha; |
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GX_UBYTE combined_alpha; |
373 |
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ULONG pixel; |
374 |
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375 |
|
9 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
376 |
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377 |
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/* calculate how many pixels to skip */ |
378 |
|
9 |
skipcount = (pixelmap -> gx_pixelmap_width) * (clip -> gx_rectangle_top - ypos); |
379 |
|
9 |
skipcount += (clip -> gx_rectangle_left - xpos); |
380 |
|
9 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
381 |
|
9 |
getrow += skipcount; |
382 |
|
|
|
383 |
✓✓ |
779 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
384 |
|
|
{ |
385 |
|
770 |
get = getrow; |
386 |
|
|
|
387 |
✓✓ |
100787 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
388 |
|
|
{ |
389 |
|
|
/* 0x000f- -> b , 0x00f0- -> g , 0x0f00- -> r , 0xf000- -> a */ |
390 |
|
|
/*4444bgra - -> 565rgb*/ |
391 |
|
100017 |
falpha = (UCHAR)(((*get) & 0xf000) >> 8); |
392 |
✓✓ |
100017 |
if (falpha) |
393 |
|
|
{ |
394 |
|
90580 |
falpha = (GX_UBYTE)(falpha | (falpha >> 4)); |
395 |
|
90580 |
pixel = (GX_COLOR)((((*get) & 0x0f00) << 12) | (((*get) & 0x00f0) << 8) | (((*get) & 0x000f) << 4)); |
396 |
|
90580 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
397 |
|
90580 |
_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, pixel, combined_alpha); |
398 |
|
|
} |
399 |
|
100017 |
get++; |
400 |
|
|
} |
401 |
|
770 |
getrow += pixelmap -> gx_pixelmap_width; |
402 |
|
|
} |
403 |
|
9 |
} |
404 |
|
|
|
405 |
|
|
/**************************************************************************/ |
406 |
|
|
/* */ |
407 |
|
|
/* FUNCTION RELEASE */ |
408 |
|
|
/* */ |
409 |
|
|
/* _gx_display_driver_24xrgb_565rgb_pixelmap_alpha_blend */ |
410 |
|
|
/* PORTABLE C */ |
411 |
|
|
/* 6.1 */ |
412 |
|
|
/* AUTHOR */ |
413 |
|
|
/* */ |
414 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
415 |
|
|
/* */ |
416 |
|
|
/* DESCRIPTION */ |
417 |
|
|
/* */ |
418 |
|
|
/* Internal helper function that handles writing of non_compressed */ |
419 |
|
|
/* but with alpha channel pixelmap data of 565rgb format with 32bpp */ |
420 |
|
|
/* driver. */ |
421 |
|
|
/* */ |
422 |
|
|
/* INPUT */ |
423 |
|
|
/* */ |
424 |
|
|
/* context Drawing context */ |
425 |
|
|
/* xpos x-coord of top-left draw point*/ |
426 |
|
|
/* ypos y-coord of top-left draw point*/ |
427 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
428 |
|
|
/* alpha blending value 0 to 255 */ |
429 |
|
|
/* */ |
430 |
|
|
/* OUTPUT */ |
431 |
|
|
/* */ |
432 |
|
|
/* None */ |
433 |
|
|
/* */ |
434 |
|
|
/* CALLS */ |
435 |
|
|
/* */ |
436 |
|
|
/* _gx_display_driver_24xrgb_pixel_blend Display driver basic function */ |
437 |
|
|
/* */ |
438 |
|
|
/* CALLED BY */ |
439 |
|
|
/* */ |
440 |
|
|
/* _gx_display_driver_24xrgb_pixelmap_blend */ |
441 |
|
|
/* */ |
442 |
|
|
/**************************************************************************/ |
443 |
|
4 |
static VOID _gx_display_driver_24xrgb_565rgb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, |
444 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
445 |
|
|
{ |
446 |
|
|
INT skipcount; |
447 |
|
|
INT xval; |
448 |
|
|
INT yval; |
449 |
|
|
GX_CONST GX_UBYTE *getalpha; |
450 |
|
|
GX_CONST USHORT *get; |
451 |
|
|
USHORT *getrow; |
452 |
|
|
GX_UBYTE *getrowalpha; |
453 |
|
|
GX_UBYTE r; |
454 |
|
|
GX_UBYTE g; |
455 |
|
|
GX_UBYTE b; |
456 |
|
|
GX_COLOR pixel; |
457 |
|
|
GX_UBYTE falpha; |
458 |
|
|
GX_UBYTE combined_alpha; |
459 |
|
|
|
460 |
|
4 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
461 |
|
|
|
462 |
|
4 |
skipcount = (pixelmap -> gx_pixelmap_width) * (clip -> gx_rectangle_top - ypos); |
463 |
|
4 |
skipcount += (clip -> gx_rectangle_left - xpos); |
464 |
|
4 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
465 |
|
4 |
getrow += skipcount; |
466 |
|
|
|
467 |
|
4 |
getrowalpha = (GX_UBYTE *)(pixelmap -> gx_pixelmap_aux_data); |
468 |
|
4 |
getrowalpha += skipcount; |
469 |
|
|
|
470 |
✓✓ |
642 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
471 |
|
|
{ |
472 |
|
638 |
get = getrow; |
473 |
|
638 |
getalpha = getrowalpha; |
474 |
|
|
|
475 |
✓✓ |
90134 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
476 |
|
|
{ |
477 |
|
89496 |
falpha = *getalpha++; |
478 |
✓✓ |
89496 |
if (falpha) |
479 |
|
|
{ |
480 |
|
64682 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
481 |
|
64682 |
pixel = *get; |
482 |
|
64682 |
r = (GX_UBYTE)(((USHORT)pixel & 0xf800) >> 8); |
483 |
|
64682 |
g = (GX_UBYTE)(((USHORT)pixel & 0x07e0) >> 3); |
484 |
|
64682 |
b = (GX_UBYTE)(((USHORT)pixel & 0x001f) << 3); |
485 |
|
64682 |
pixel = (GX_COLOR)ASSEMBLECOLOR_32BPP(r, g, b); |
486 |
|
64682 |
_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, pixel, combined_alpha); |
487 |
|
|
} |
488 |
|
89496 |
get++; |
489 |
|
|
} |
490 |
|
638 |
getrow += pixelmap -> gx_pixelmap_width; |
491 |
|
638 |
getrowalpha += pixelmap -> gx_pixelmap_width; |
492 |
|
|
} |
493 |
|
4 |
} |
494 |
|
|
|
495 |
|
|
/**************************************************************************/ |
496 |
|
|
/* */ |
497 |
|
|
/* FUNCTION RELEASE */ |
498 |
|
|
/* */ |
499 |
|
|
/* _gx_display_driver_24xrgb_565rgb_pixelmap_raw_blend PORTABLE C */ |
500 |
|
|
/* 6.1 */ |
501 |
|
|
/* AUTHOR */ |
502 |
|
|
/* */ |
503 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
504 |
|
|
/* */ |
505 |
|
|
/* DESCRIPTION */ |
506 |
|
|
/* */ |
507 |
|
|
/* Internal helper function that handles writing of 565rgb format */ |
508 |
|
|
/* uncompressed pixlemap file without alpha channel. */ |
509 |
|
|
/* */ |
510 |
|
|
/* INPUT */ |
511 |
|
|
/* */ |
512 |
|
|
/* context Drawing context */ |
513 |
|
|
/* xpos x-coord of top-left draw point*/ |
514 |
|
|
/* ypos y-coord of top-left draw point*/ |
515 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
516 |
|
|
/* alpha blending value 0 to 255 */ |
517 |
|
|
/* */ |
518 |
|
|
/* OUTPUT */ |
519 |
|
|
/* */ |
520 |
|
|
/* None */ |
521 |
|
|
/* */ |
522 |
|
|
/* CALLS */ |
523 |
|
|
/* */ |
524 |
|
|
/* _gx_display_driver_24xrgb_pixel_blend Display driver basic function */ |
525 |
|
|
/* */ |
526 |
|
|
/* CALLED BY */ |
527 |
|
|
/* */ |
528 |
|
|
/* _gx_display_driver_24xrgb_pixelmap_blend */ |
529 |
|
|
/* */ |
530 |
|
|
/**************************************************************************/ |
531 |
|
3 |
static VOID _gx_display_driver_24xrgb_565rgb_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
532 |
|
|
{ |
533 |
|
|
INT xval; |
534 |
|
|
INT yval; |
535 |
|
|
USHORT *getrow; |
536 |
|
|
GX_CONST USHORT *get; |
537 |
|
|
GX_COLOR pixel; |
538 |
|
|
|
539 |
|
3 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
540 |
|
|
|
541 |
|
3 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
542 |
|
3 |
getrow += pixelmap -> gx_pixelmap_width * (clip -> gx_rectangle_top - ypos); |
543 |
|
3 |
getrow += (clip -> gx_rectangle_left - xpos); |
544 |
|
|
|
545 |
✓✓ |
502 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
546 |
|
|
{ |
547 |
|
499 |
get = getrow; |
548 |
|
|
|
549 |
✓✓ |
86442 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
550 |
|
|
{ |
551 |
|
85943 |
pixel = (GX_COLOR)ASSEMBLECOLOR_32BPP(REDVAL_16BPP(*get) << 3, |
552 |
|
|
GREENVAL_16BPP(*get) << 2, |
553 |
|
|
BLUEVAL_16BPP(*get) << 3); |
554 |
|
85943 |
_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, pixel, alpha); |
555 |
|
85943 |
get++; |
556 |
|
|
} |
557 |
|
499 |
getrow += pixelmap -> gx_pixelmap_width; |
558 |
|
|
} |
559 |
|
3 |
} |
560 |
|
|
|
561 |
|
|
/**************************************************************************/ |
562 |
|
|
/* */ |
563 |
|
|
/* FUNCTION RELEASE */ |
564 |
|
|
/* */ |
565 |
|
|
/* _gx_display_driver_24xrgb_pixelmap_blend PORTABLE C */ |
566 |
|
|
/* 6.1 */ |
567 |
|
|
/* AUTHOR */ |
568 |
|
|
/* */ |
569 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
570 |
|
|
/* */ |
571 |
|
|
/* DESCRIPTION */ |
572 |
|
|
/* */ |
573 |
|
|
/* 32xrgb format screen driver pixelmap blending function that */ |
574 |
|
|
/* handles compressed or uncompress, with or without alpha channel. */ |
575 |
|
|
/* */ |
576 |
|
|
/* INPUT */ |
577 |
|
|
/* */ |
578 |
|
|
/* context Drawing context */ |
579 |
|
|
/* xpos x-coord of top-left draw point*/ |
580 |
|
|
/* ypos y-coord of top-left draw point*/ |
581 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
582 |
|
|
/* alpha blending value 0 to 255 */ |
583 |
|
|
/* */ |
584 |
|
|
/* OUTPUT */ |
585 |
|
|
/* */ |
586 |
|
|
/* None */ |
587 |
|
|
/* */ |
588 |
|
|
/* CALLS */ |
589 |
|
|
/* */ |
590 |
|
|
/* _gx_display_driver_24xrgb_palette_pixelmap_transparent_blend */ |
591 |
|
|
/* Real pixelmap draw function. */ |
592 |
|
|
/* _gx_display_driver_24xrgb_palette_pixelmap_blend */ |
593 |
|
|
/* Real pixelmap draw function. */ |
594 |
|
|
/* _gx_display_driver_24xrgb_4444argb_pixelmap_alpha_blend */ |
595 |
|
|
/* Real pixelmap draw function. */ |
596 |
|
|
/* _gx_display_driver_24xrgb_565rgb_pixelmap_alpha_blend */ |
597 |
|
|
/* Real pixelmap draw function. */ |
598 |
|
|
/* _gx_display_driver_24xrgb_565rgb_pixelmap_raw_blend */ |
599 |
|
|
/* Real pixelmap draw function. */ |
600 |
|
|
/* _gx_display_driver_24xrgb_pixelmap_alpha_blend */ |
601 |
|
|
/* Real pixelmap draw function. */ |
602 |
|
|
/* _gx_display_driver_24xrgb_pixelmap_raw_blend */ |
603 |
|
|
/* Real pixelmap draw function. */ |
604 |
|
|
/* */ |
605 |
|
|
/* CALLED BY */ |
606 |
|
|
/* */ |
607 |
|
|
/* GUIX Internal Code */ |
608 |
|
|
/* */ |
609 |
|
|
/**************************************************************************/ |
610 |
|
10964 |
VOID _gx_display_driver_24xrgb_pixelmap_blend(GX_DRAW_CONTEXT *context, |
611 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
612 |
|
|
{ |
613 |
✓✓ |
10964 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
614 |
|
|
{ |
615 |
|
1 |
return; |
616 |
|
|
} |
617 |
|
|
|
618 |
✓✓✓✓
✓ |
10963 |
switch (pixelmap -> gx_pixelmap_format) |
619 |
|
|
{ |
620 |
|
9 |
case GX_COLOR_FORMAT_8BIT_PALETTE: |
621 |
✓✓ |
9 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
622 |
|
|
{ |
623 |
|
2 |
_gx_display_driver_24xrgb_palette_pixelmap_transparent_blend(context, xpos, ypos, pixelmap, alpha); |
624 |
|
|
} |
625 |
|
|
else |
626 |
|
|
{ |
627 |
|
7 |
_gx_display_driver_24xrgb_palette_pixelmap_blend(context, xpos, ypos, pixelmap, alpha); |
628 |
|
|
} |
629 |
|
9 |
break; |
630 |
|
|
|
631 |
|
9 |
case GX_COLOR_FORMAT_4444ARGB: |
632 |
|
9 |
_gx_display_driver_24xrgb_4444argb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
633 |
|
9 |
break; |
634 |
|
|
|
635 |
|
7 |
case GX_COLOR_FORMAT_565RGB: |
636 |
✓✓ |
7 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
637 |
|
|
{ |
638 |
|
4 |
_gx_display_driver_24xrgb_565rgb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
639 |
|
|
} |
640 |
|
|
else |
641 |
|
|
{ |
642 |
|
3 |
_gx_display_driver_24xrgb_565rgb_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
643 |
|
|
} |
644 |
|
7 |
break; |
645 |
|
|
|
646 |
|
10937 |
case GX_COLOR_FORMAT_24XRGB: |
647 |
|
|
case GX_COLOR_FORMAT_32ARGB: |
648 |
✓✓ |
10937 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
649 |
|
|
{ |
650 |
|
9972 |
_gx_display_driver_24xrgb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
651 |
|
|
|
652 |
|
|
} |
653 |
|
|
else |
654 |
|
|
{ |
655 |
|
965 |
_gx_display_driver_24xrgb_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
656 |
|
|
} |
657 |
|
10937 |
break; |
658 |
|
|
} |
659 |
|
|
|
660 |
|
10963 |
return; |
661 |
|
|
} |