mirror of
https://github.com/google/pebble.git
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66 lines
2.2 KiB
C
66 lines
2.2 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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//! @file framebuffer.c
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//! Bitdepth independent routines for framebuffer.h
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//! Bitdepth dependent routines can be found in the 1_bit & 8_bit folders in their
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//! respective framebuffer.c files.
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#include "applib/graphics/framebuffer.h"
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#include "system/passert.h"
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void framebuffer_init(FrameBuffer *fb, const GSize *size) {
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PBL_ASSERTN(!gsize_equal(size, &GSizeZero));
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fb->size = *size;
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framebuffer_reset_dirty(fb);
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// make sure the size is not bigger than the actual buffer size
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PBL_ASSERTN(framebuffer_get_size_bytes(fb) <= FRAMEBUFFER_SIZE_BYTES);
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}
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GBitmap framebuffer_get_as_bitmap(FrameBuffer *fb, const GSize *size) {
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PBL_ASSERTN(!gsize_equal(size, &GSizeZero));
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const GBitmapDataRowInfoInternal *data_row_infos =
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PBL_IF_RECT_ELSE(NULL, g_gbitmap_spalding_data_row_infos);
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return (GBitmap) {
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.addr = fb->buffer,
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.row_size_bytes = gbitmap_format_get_row_size_bytes(size->w, GBITMAP_NATIVE_FORMAT),
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.info = (BitmapInfo) {.format = GBITMAP_NATIVE_FORMAT, .version = GBITMAP_VERSION_CURRENT},
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.bounds = (GRect) { GPointZero, *size },
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.data_row_infos = data_row_infos,
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};
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}
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void framebuffer_dirty_all(FrameBuffer *fb) {
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PBL_ASSERTN(!gsize_equal(&fb->size, &GSizeZero));
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fb->dirty_rect = (GRect) { GPointZero, fb->size };
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fb->is_dirty = true;
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}
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void framebuffer_reset_dirty(FrameBuffer *fb) {
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PBL_ASSERTN(!gsize_equal(&fb->size, &GSizeZero));
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fb->dirty_rect = GRectZero;
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fb->is_dirty = false;
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}
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bool framebuffer_is_dirty(FrameBuffer *fb) {
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PBL_ASSERTN(!gsize_equal(&fb->size, &GSizeZero));
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return fb->is_dirty;
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}
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GSize framebuffer_get_size(FrameBuffer *fb) {
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return fb->size;
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}
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