pebble/tests/fw/graphics/test_graphics_mask.h
2025-01-27 11:38:16 -08:00

64 lines
2.5 KiB
C

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