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64 lines
2.3 KiB
C
64 lines
2.3 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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#if SCREEN_COLOR_DEPTH_BITS == 8
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#include "applib/graphics/8_bit/framebuffer.h"
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#else
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#include "applib/graphics/1_bit/framebuffer.h"
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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extern volatile const int FrameBuffer_MaxX;
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extern volatile const int FrameBuffer_MaxY;
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//! Initializes the framebuffer by setting the size.
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void framebuffer_init(FrameBuffer *fb, const GSize *size);
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//! Get the active buffer size in bytes
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size_t framebuffer_get_size_bytes(FrameBuffer *f);
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//! Clears the screen buffer.
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//! Will not be visible on the display until graphics_flush_frame_buffer is called.
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void framebuffer_clear(FrameBuffer* f);
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//! Mark the given rect of pixels as dirty
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void framebuffer_mark_dirty_rect(FrameBuffer* f, GRect rect);
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//! Mark the entire framebuffer as dirty
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void framebuffer_dirty_all(FrameBuffer* f);
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//! Clear the dirty status for this framebuffer
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void framebuffer_reset_dirty(FrameBuffer* f);
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//! Query the dirty status for this framebuffer
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bool framebuffer_is_dirty(FrameBuffer* f);
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//! Creates a GBitmap struct that points to the framebuffer. Useful for using the framebuffer data
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//! with graphics routines. Note that updating this bitmap won't mark the appropriate lines as
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//! dirty in the framebuffer, so this will have to be done manually.
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//! @note The size which is passed in should come from app_manager_get_framebuffer_size() for the
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//! app framebuffer (or generated based on DISP_ROWS / DISP_COLS for the system framebuffer) to
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//! protect against malicious apps changing their own framebuffer size.
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GBitmap framebuffer_get_as_bitmap(FrameBuffer *f, const GSize *size);
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//! Get the framebuffer size
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GSize framebuffer_get_size(FrameBuffer *f);
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