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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_32bpp_rotated_pixelmap_raw_blend */ |
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/* PORTABLE C */ |
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/* 6.1.5 */ |
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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 rotated */ |
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/* uncompressed pixlemap data 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 */ |
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/* _gx_display_driver_32argb_pixel_blend */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_32bpp_rotated_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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ULONG *get; |
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ULONG *getrow; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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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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✓✓✓ |
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GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
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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 = (GX_COLOR *)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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blend_func(context, xval, yval, (*get++), 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_32bpp_rotated_pixelmap_alpha_blend */ |
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/* PORTABLE C */ |
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/* 6.1.5 */ |
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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 rotated */ |
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/* uncompressed pixlemap data 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 */ |
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/* _gx_display_driver_32argb_pixel_blend */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_32bpp_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 xval; |
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int yval; |
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ULONG *get; |
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ULONG *getrow; |
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UCHAR alpha_value; |
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ULONG combined_alpha; |
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ULONG color; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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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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✓✓✓ |
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GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
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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 = (GX_COLOR *)(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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color = (*get); |
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alpha_value = ALPHAVAL_32BPP(color); |
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✓✓ |
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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 |= 0xff000000; |
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blend_func(context, xval, yval, 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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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_32bpp_rotated_palette_pixelmap_blend */ |
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/* PORTABLE C */ |
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/* 6.1.5 */ |
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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 rotated */ |
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/* uncompressed palette pixlemap data without transparent. */ |
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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 */ |
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/* _gx_display_driver_32argb_pixel_blend */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_32bpp_rotated_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_UBYTE *getrow; |
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GX_UBYTE *get; |
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GX_COLOR *palette; |
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GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
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GX_RECTANGLE rotated_clip; |
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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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✓✓✓ |
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GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
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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 = (GX_UBYTE *)(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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palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
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✓✓ |
2334 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
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{ |
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2324 |
get = getrow; |
299 |
✓✓ |
277630 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
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{ |
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blend_func(context, xval, yval, palette[*get++], 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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/* */ |
312 |
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/* _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend */ |
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/* */ |
314 |
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/* PORTABLE C */ |
315 |
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/* 6.1.5 */ |
316 |
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/* AUTHOR */ |
317 |
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/* */ |
318 |
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/* Kenneth Maxwell, Microsoft Corporation */ |
319 |
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/* */ |
320 |
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/* DESCRIPTION */ |
321 |
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|
/* */ |
322 |
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/* Internal helper function that handles writing of rotated */ |
323 |
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/* uncompressed palette pixlemap data with transparent. */ |
324 |
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/* */ |
325 |
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/* INPUT */ |
326 |
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/* */ |
327 |
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/* context Drawing context */ |
328 |
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/* xpos x-coord of top-left draw point*/ |
329 |
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/* ypos y-coord of top-left draw point*/ |
330 |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
331 |
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/* alpha blending value 0 to 255 */ |
332 |
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/* */ |
333 |
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/* OUTPUT */ |
334 |
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/* */ |
335 |
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/* None */ |
336 |
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/* */ |
337 |
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/* CALLS */ |
338 |
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/* */ |
339 |
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/* _gx_display_driver_24xrgb_pixel_blend */ |
340 |
|
|
/* _gx_display_driver_32argb_pixel_blend */ |
341 |
|
|
/* */ |
342 |
|
|
/* CALLED BY */ |
343 |
|
|
/* */ |
344 |
|
|
/* GUIX Internal Code */ |
345 |
|
|
/* */ |
346 |
|
|
/**************************************************************************/ |
347 |
|
20 |
static VOID _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend(GX_DRAW_CONTEXT *context, |
348 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
349 |
|
|
{ |
350 |
|
|
INT xval; |
351 |
|
|
INT yval; |
352 |
|
|
GX_UBYTE *getrow; |
353 |
|
|
GX_UBYTE *get; |
354 |
|
|
GX_COLOR *palette; |
355 |
|
20 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
356 |
|
|
GX_RECTANGLE rotated_clip; |
357 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
358 |
|
|
|
359 |
✓✓✓ |
20 |
GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
360 |
|
|
|
361 |
|
10 |
GX_SWAP_VALS(xpos, ypos); |
362 |
|
|
|
363 |
✓✗ |
10 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
364 |
|
|
{ |
365 |
|
10 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
366 |
|
10 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
367 |
|
10 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
368 |
|
10 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
369 |
|
10 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
370 |
|
|
} |
371 |
|
|
else |
372 |
|
|
{ |
373 |
|
|
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
374 |
|
|
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
375 |
|
|
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
376 |
|
|
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
377 |
|
|
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
378 |
|
|
} |
379 |
|
|
|
380 |
|
10 |
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data); |
381 |
|
10 |
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
382 |
|
10 |
getrow += (rotated_clip.gx_rectangle_left - xpos); |
383 |
|
10 |
palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data; |
384 |
|
|
|
385 |
✓✓ |
314 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
386 |
|
|
{ |
387 |
|
304 |
get = getrow; |
388 |
✓✓ |
9690 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
389 |
|
|
{ |
390 |
✓✓ |
9386 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
391 |
|
|
{ |
392 |
|
3718 |
blend_func(context, xval, yval, palette[*get], alpha); |
393 |
|
|
} |
394 |
|
9386 |
get++; |
395 |
|
|
} |
396 |
|
|
|
397 |
|
304 |
getrow += pixelmap -> gx_pixelmap_height; |
398 |
|
|
} |
399 |
|
|
} |
400 |
|
|
|
401 |
|
|
/**************************************************************************/ |
402 |
|
|
/* */ |
403 |
|
|
/* FUNCTION RELEASE */ |
404 |
|
|
/* */ |
405 |
|
|
/* _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend */ |
406 |
|
|
/* */ |
407 |
|
|
/* PORTABLE C */ |
408 |
|
|
/* 6.1.5 */ |
409 |
|
|
/* AUTHOR */ |
410 |
|
|
/* */ |
411 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
412 |
|
|
/* */ |
413 |
|
|
/* DESCRIPTION */ |
414 |
|
|
/* */ |
415 |
|
|
/* Internal helper function that handles writing of rotated */ |
416 |
|
|
/* uncompressed 4444argb format pixlemap data with alpha channel. */ |
417 |
|
|
/* */ |
418 |
|
|
/* INPUT */ |
419 |
|
|
/* */ |
420 |
|
|
/* context Drawing context */ |
421 |
|
|
/* xpos x-coord of top-left draw point*/ |
422 |
|
|
/* ypos y-coord of top-left draw point*/ |
423 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
424 |
|
|
/* alpha blending value 0 to 255 */ |
425 |
|
|
/* */ |
426 |
|
|
/* OUTPUT */ |
427 |
|
|
/* */ |
428 |
|
|
/* None */ |
429 |
|
|
/* */ |
430 |
|
|
/* CALLS */ |
431 |
|
|
/* */ |
432 |
|
|
/* _gx_display_driver_24xrgb_pixel_blend */ |
433 |
|
|
/* */ |
434 |
|
|
/* CALLED BY */ |
435 |
|
|
/* */ |
436 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
437 |
|
|
/* */ |
438 |
|
|
/**************************************************************************/ |
439 |
|
20 |
static VOID _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
440 |
|
|
{ |
441 |
|
|
INT xval; |
442 |
|
|
INT yval; |
443 |
|
|
USHORT *getrow; |
444 |
|
|
GX_CONST USHORT *get; |
445 |
|
|
UCHAR falpha; |
446 |
|
|
GX_UBYTE combined_alpha; |
447 |
|
|
ULONG pixel; |
448 |
|
|
|
449 |
|
20 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
450 |
|
|
GX_RECTANGLE rotated_clip; |
451 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
452 |
|
|
|
453 |
✓✓✓ |
20 |
GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
454 |
|
|
|
455 |
|
10 |
GX_SWAP_VALS(xpos, ypos); |
456 |
|
|
|
457 |
✓✗ |
10 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
458 |
|
|
{ |
459 |
|
10 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
460 |
|
10 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
461 |
|
10 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
462 |
|
10 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
463 |
|
10 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
464 |
|
|
} |
465 |
|
|
else |
466 |
|
|
{ |
467 |
|
|
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
468 |
|
|
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
469 |
|
|
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
470 |
|
|
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
471 |
|
|
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
472 |
|
|
} |
473 |
|
|
|
474 |
|
|
/* Calculate how many pixels to skip. */ |
475 |
|
10 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
476 |
|
10 |
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
477 |
|
10 |
getrow += (rotated_clip.gx_rectangle_left - xpos); |
478 |
|
|
|
479 |
✓✓ |
314 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
480 |
|
|
{ |
481 |
|
304 |
get = getrow; |
482 |
|
|
|
483 |
✓✓ |
9690 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
484 |
|
|
{ |
485 |
|
|
|
486 |
|
|
/* Pick alpha value from 4444argb color. */ |
487 |
|
9386 |
falpha = (UCHAR)(((*get) & 0xf000) >> 8); |
488 |
|
|
|
489 |
✓✓ |
9386 |
if (falpha) |
490 |
|
|
{ |
491 |
|
|
/* Extend alpha value to improve accuracy. */ |
492 |
|
4340 |
falpha = (GX_UBYTE)(falpha | (falpha >> 4)); |
493 |
|
|
|
494 |
|
|
/* Convert 4444argb color to 24xrgb color. */ |
495 |
|
4340 |
pixel = (GX_COLOR)((((*get) & 0x0f00) << 12) | (((*get) & 0x00f0) << 8) | (((*get) & 0x000f) << 4)); |
496 |
|
4340 |
pixel |= 0xff000000; |
497 |
|
|
|
498 |
|
|
/* Calulate combined alpha. */ |
499 |
|
4340 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
500 |
|
|
|
501 |
|
|
/* Blend color to background. */ |
502 |
|
4340 |
blend_func(context, xval, yval, pixel, combined_alpha); |
503 |
|
|
} |
504 |
|
9386 |
get++; |
505 |
|
|
} |
506 |
|
304 |
getrow += pixelmap -> gx_pixelmap_height; |
507 |
|
|
} |
508 |
|
|
} |
509 |
|
|
|
510 |
|
|
/**************************************************************************/ |
511 |
|
|
/* */ |
512 |
|
|
/* FUNCTION RELEASE */ |
513 |
|
|
/* */ |
514 |
|
|
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend */ |
515 |
|
|
/* */ |
516 |
|
|
/* PORTABLE C */ |
517 |
|
|
/* 6.1.5 */ |
518 |
|
|
/* AUTHOR */ |
519 |
|
|
/* */ |
520 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
521 |
|
|
/* */ |
522 |
|
|
/* DESCRIPTION */ |
523 |
|
|
/* */ |
524 |
|
|
/* Internal helper function that handles writing of rotated */ |
525 |
|
|
/* uncompressed 565rgb format pixelmap data with alpha channel. */ |
526 |
|
|
/* */ |
527 |
|
|
/* INPUT */ |
528 |
|
|
/* */ |
529 |
|
|
/* context Drawing context */ |
530 |
|
|
/* xpos x-coord of top-left draw point*/ |
531 |
|
|
/* ypos y-coord of top-left draw point*/ |
532 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
533 |
|
|
/* alpha blending value 0 to 255 */ |
534 |
|
|
/* */ |
535 |
|
|
/* OUTPUT */ |
536 |
|
|
/* */ |
537 |
|
|
/* None */ |
538 |
|
|
/* */ |
539 |
|
|
/* CALLS */ |
540 |
|
|
/* */ |
541 |
|
|
/* _gx_display_driver_24xrgb_pixel_blend */ |
542 |
|
|
/* _gx_display_driver_32argb_pixel_blend */ |
543 |
|
|
/* */ |
544 |
|
|
/* CALLED BY */ |
545 |
|
|
/* */ |
546 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
547 |
|
|
/* */ |
548 |
|
|
/**************************************************************************/ |
549 |
|
20 |
static VOID _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, |
550 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
551 |
|
|
{ |
552 |
|
|
INT skipcount; |
553 |
|
|
INT xval; |
554 |
|
|
INT yval; |
555 |
|
|
GX_CONST GX_UBYTE *getalpha; |
556 |
|
|
GX_CONST USHORT *get; |
557 |
|
|
USHORT *getrow; |
558 |
|
|
GX_UBYTE *getrowalpha; |
559 |
|
|
GX_COLOR pixel; |
560 |
|
|
GX_UBYTE falpha; |
561 |
|
|
GX_UBYTE combined_alpha; |
562 |
|
20 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
563 |
|
|
GX_RECTANGLE rotated_clip; |
564 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
565 |
|
|
|
566 |
✓✓✓ |
20 |
GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
567 |
|
|
|
568 |
|
10 |
GX_SWAP_VALS(xpos, ypos); |
569 |
|
|
|
570 |
✓✗ |
10 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
571 |
|
|
{ |
572 |
|
10 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
573 |
|
10 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
574 |
|
10 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
575 |
|
10 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
576 |
|
10 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
577 |
|
|
} |
578 |
|
|
else |
579 |
|
|
{ |
580 |
|
|
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
581 |
|
|
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
582 |
|
|
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
583 |
|
|
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
584 |
|
|
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
585 |
|
|
} |
586 |
|
|
|
587 |
|
10 |
skipcount = (pixelmap -> gx_pixelmap_height) * (rotated_clip.gx_rectangle_top - ypos); |
588 |
|
10 |
skipcount += (rotated_clip.gx_rectangle_left - xpos); |
589 |
|
10 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
590 |
|
10 |
getrow += skipcount; |
591 |
|
|
|
592 |
|
10 |
getrowalpha = (GX_UBYTE *)(pixelmap -> gx_pixelmap_aux_data); |
593 |
|
10 |
getrowalpha += skipcount; |
594 |
|
|
|
595 |
✓✓ |
314 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
596 |
|
|
{ |
597 |
|
304 |
get = getrow; |
598 |
|
304 |
getalpha = getrowalpha; |
599 |
|
|
|
600 |
✓✓ |
9690 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
601 |
|
|
{ |
602 |
|
9386 |
falpha = *getalpha++; |
603 |
✓✓ |
9386 |
if (falpha) |
604 |
|
|
{ |
605 |
|
7914 |
combined_alpha = (GX_UBYTE)(falpha * alpha / 255); |
606 |
|
7914 |
pixel = *get; |
607 |
|
|
|
608 |
|
|
/* Convert 565rgb color to 24xrgb color. */ |
609 |
|
7914 |
pixel = (GX_COLOR)ASSEMBLECOLOR_32ARGB(0xff, |
610 |
|
|
REDVAL_16BPP(pixel) << 3, |
611 |
|
|
GREENVAL_16BPP(pixel) << 2, |
612 |
|
|
BLUEVAL_16BPP(pixel) << 3); |
613 |
|
|
|
614 |
|
|
/* Blend 24xrgb color to background. */ |
615 |
|
7914 |
blend_func(context, xval, yval, pixel, combined_alpha); |
616 |
|
|
} |
617 |
|
9386 |
get++; |
618 |
|
|
} |
619 |
|
|
|
620 |
|
304 |
getrow += pixelmap -> gx_pixelmap_height; |
621 |
|
304 |
getrowalpha += pixelmap -> gx_pixelmap_height; |
622 |
|
|
} |
623 |
|
|
} |
624 |
|
|
|
625 |
|
|
/**************************************************************************/ |
626 |
|
|
/* */ |
627 |
|
|
/* FUNCTION RELEASE */ |
628 |
|
|
/* */ |
629 |
|
|
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend */ |
630 |
|
|
/* PORTABLE C */ |
631 |
|
|
/* 6.1.5 */ |
632 |
|
|
/* AUTHOR */ |
633 |
|
|
/* */ |
634 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
635 |
|
|
/* */ |
636 |
|
|
/* DESCRIPTION */ |
637 |
|
|
/* */ |
638 |
|
|
/* Internal helper function that handles writing of rotated */ |
639 |
|
|
/* uncompressed 565rgb format pixlemap data without alpha channel. */ |
640 |
|
|
/* */ |
641 |
|
|
/* INPUT */ |
642 |
|
|
/* */ |
643 |
|
|
/* context Drawing context */ |
644 |
|
|
/* xpos x-coord of top-left draw point*/ |
645 |
|
|
/* ypos y-coord of top-left draw point*/ |
646 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
647 |
|
|
/* alpha blending value 0 to 255 */ |
648 |
|
|
/* */ |
649 |
|
|
/* OUTPUT */ |
650 |
|
|
/* */ |
651 |
|
|
/* None */ |
652 |
|
|
/* */ |
653 |
|
|
/* CALLS */ |
654 |
|
|
/* */ |
655 |
|
|
/* _gx_display_driver_24xrgb_pixel_blend */ |
656 |
|
|
/* _gx_display_driver_32argb_pixel_blend */ |
657 |
|
|
/* */ |
658 |
|
|
/* CALLED BY */ |
659 |
|
|
/* */ |
660 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */ |
661 |
|
|
/* */ |
662 |
|
|
/**************************************************************************/ |
663 |
|
4 |
static VOID _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
664 |
|
|
{ |
665 |
|
|
INT xval; |
666 |
|
|
INT yval; |
667 |
|
|
USHORT *getrow; |
668 |
|
|
GX_CONST USHORT *get; |
669 |
|
|
GX_COLOR pixel; |
670 |
|
4 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
671 |
|
|
GX_RECTANGLE rotated_clip; |
672 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
673 |
|
|
|
674 |
✓✓✓ |
4 |
GX_SET_32BPP_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format); |
675 |
|
|
|
676 |
|
2 |
GX_SWAP_VALS(xpos, ypos); |
677 |
|
|
|
678 |
✓✗ |
2 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
679 |
|
|
{ |
680 |
|
2 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
681 |
|
2 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
682 |
|
2 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1); |
683 |
|
2 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1); |
684 |
|
2 |
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width); |
685 |
|
|
} |
686 |
|
|
else |
687 |
|
|
{ |
688 |
|
|
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1); |
689 |
|
|
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1); |
690 |
|
|
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
691 |
|
|
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
692 |
|
|
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height); |
693 |
|
|
} |
694 |
|
|
|
695 |
|
2 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
696 |
|
2 |
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos); |
697 |
|
2 |
getrow += (rotated_clip.gx_rectangle_left - xpos); |
698 |
|
|
|
699 |
✓✓ |
8 |
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++) |
700 |
|
|
{ |
701 |
|
6 |
get = getrow; |
702 |
|
|
|
703 |
✓✓ |
276 |
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++) |
704 |
|
|
{ |
705 |
|
|
/* Convert 565rgb color to 24xrgb color. */ |
706 |
|
270 |
pixel = (GX_COLOR)ASSEMBLECOLOR_32ARGB(0xff, |
707 |
|
|
REDVAL_16BPP(*get) << 3, |
708 |
|
|
GREENVAL_16BPP(*get) << 2, |
709 |
|
|
BLUEVAL_16BPP(*get) << 3); |
710 |
|
|
|
711 |
|
270 |
blend_func(context, xval, yval, pixel, alpha); |
712 |
|
270 |
get++; |
713 |
|
|
} |
714 |
|
|
|
715 |
|
6 |
getrow += pixelmap -> gx_pixelmap_height; |
716 |
|
|
} |
717 |
|
|
} |
718 |
|
|
|
719 |
|
|
/**************************************************************************/ |
720 |
|
|
/* */ |
721 |
|
|
/* FUNCTION RELEASE */ |
722 |
|
|
/* */ |
723 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_blend PORTABLE C */ |
724 |
|
|
/* 6.1.4 */ |
725 |
|
|
/* AUTHOR */ |
726 |
|
|
/* */ |
727 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
728 |
|
|
/* */ |
729 |
|
|
/* DESCRIPTION */ |
730 |
|
|
/* */ |
731 |
|
|
/* 24xrgb format screen driver pixelmap blending function that */ |
732 |
|
|
/* handles uncompressed pixelmap blend, with or without alpha channel. */ |
733 |
|
|
/* */ |
734 |
|
|
/* INPUT */ |
735 |
|
|
/* */ |
736 |
|
|
/* context Drawing context */ |
737 |
|
|
/* xpos x-coord of top-left draw point*/ |
738 |
|
|
/* ypos y-coord of top-left draw point*/ |
739 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
740 |
|
|
/* alpha blending value 0 to 255 */ |
741 |
|
|
/* */ |
742 |
|
|
/* OUTPUT */ |
743 |
|
|
/* */ |
744 |
|
|
/* None */ |
745 |
|
|
/* */ |
746 |
|
|
/* CALLS */ |
747 |
|
|
/* */ |
748 |
|
|
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend */ |
749 |
|
|
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_blend */ |
750 |
|
|
/* _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend */ |
751 |
|
|
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend */ |
752 |
|
|
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend */ |
753 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_alpha_blend */ |
754 |
|
|
/* _gx_display_driver_32bpp_rotated_pixelmap_raw_blend */ |
755 |
|
|
/* */ |
756 |
|
|
/* CALLED BY */ |
757 |
|
|
/* */ |
758 |
|
|
/* GUIX Internal Code */ |
759 |
|
|
/* */ |
760 |
|
|
/**************************************************************************/ |
761 |
|
176 |
VOID _gx_display_driver_32bpp_rotated_pixelmap_blend(GX_DRAW_CONTEXT *context, |
762 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha) |
763 |
|
|
{ |
764 |
✓✓ |
176 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
765 |
|
|
{ |
766 |
|
1 |
return; |
767 |
|
|
} |
768 |
|
|
|
769 |
✓✓✓✓
✓ |
175 |
switch (pixelmap -> gx_pixelmap_format) |
770 |
|
|
{ |
771 |
|
40 |
case GX_COLOR_FORMAT_8BIT_PALETTE: |
772 |
✓✓ |
40 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
773 |
|
|
{ |
774 |
|
20 |
_gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend(context, xpos, ypos, pixelmap, alpha); |
775 |
|
|
} |
776 |
|
|
else |
777 |
|
|
{ |
778 |
|
20 |
_gx_display_driver_32bpp_rotated_palette_pixelmap_blend(context, xpos, ypos, pixelmap, alpha); |
779 |
|
|
} |
780 |
|
40 |
break; |
781 |
|
|
|
782 |
|
20 |
case GX_COLOR_FORMAT_4444ARGB: |
783 |
|
20 |
_gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
784 |
|
20 |
break; |
785 |
|
|
|
786 |
|
24 |
case GX_COLOR_FORMAT_565RGB: |
787 |
✓✓ |
24 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
788 |
|
|
{ |
789 |
|
20 |
_gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
790 |
|
|
} |
791 |
|
|
else |
792 |
|
|
{ |
793 |
|
4 |
_gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
794 |
|
|
} |
795 |
|
24 |
break; |
796 |
|
|
|
797 |
|
90 |
case GX_COLOR_FORMAT_24XRGB: |
798 |
|
|
case GX_COLOR_FORMAT_32ARGB: |
799 |
✓✓ |
90 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
800 |
|
|
{ |
801 |
|
45 |
_gx_display_driver_32bpp_rotated_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha); |
802 |
|
|
} |
803 |
|
|
else |
804 |
|
|
{ |
805 |
|
45 |
_gx_display_driver_32bpp_rotated_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha); |
806 |
|
|
} |
807 |
|
90 |
break; |
808 |
|
|
} |
809 |
|
|
|
810 |
|
175 |
return; |
811 |
|
|
} |
812 |
|
|
|