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64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "applib/graphics/gtypes.h"
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#include "applib/graphics/graphics.h"
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#include "applib/graphics/graphics_private_raw_mask.h"
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#include "applib/graphics/framebuffer.h"
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#include "util/graphics.h"
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static uint8_t test_graphics_context_mask_get_value_for_coordinate(const GContext *ctx,
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const GDrawMask *mask,
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GPoint p) {
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const uint8_t mask_pixel_value = graphics_private_raw_mask_get_value(ctx, mask, p);
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cl_assert(WITHIN(mask_pixel_value, 0, (1 << (GDRAWMASK_BITS_PER_PIXEL)) - 1));
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return mask_pixel_value;
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}
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static void test_graphics_context_mask_set_value_for_coordinate(GContext *ctx, GDrawMask *mask,
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uint8_t value, GPoint p) {
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cl_assert(WITHIN(value, 0, (1 << (GDRAWMASK_BITS_PER_PIXEL)) - 1));
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graphics_private_raw_mask_set_value(ctx, mask, p, value);
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}
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static void test_graphics_context_mask_debug(GContext *ctx, GDrawMask *mask) {
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GBitmap *framebuffer_bitmap = &ctx->dest_bitmap;
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// Naive approach
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for (int y = 0; y < framebuffer_bitmap->bounds.size.h; y++) {
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const GBitmapDataRowInfo current_data_row_info = gbitmap_get_data_row_info(framebuffer_bitmap,
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y);
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// Iterate over the relevant mask row pixel values and use each to draw our debug image
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for (int x = current_data_row_info.min_x; x <= current_data_row_info.max_x; x++) {
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const uint8_t mask_pixel_value =
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test_graphics_context_mask_get_value_for_coordinate(ctx, mask, GPoint(x, y));
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const GColor color_lookup[1 << GDRAWMASK_BITS_PER_PIXEL] = {
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GColorBlack,
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GColorDarkGray,
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GColorLightGray,
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GColorWhite,
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};
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const GColor pixel_color = color_lookup[mask_pixel_value];
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current_data_row_info.data[x] = pixel_color.argb;
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}
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}
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}
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