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91 lines
1.4 KiB
C++
91 lines
1.4 KiB
C++
#include "image.h"
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typedef struct
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{
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size_t format;
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int x;
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int y;
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int w;
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int h;
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bool dithering;
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} ImageProcess;
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ImageProcess Image;
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void ImageNew(int x, int y, int w, int h, bool dithering)
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{
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Image.x = x;
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Image.y = y;
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Image.w = w;
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Image.h = h;
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Image.dithering = dithering;
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}
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void ImageWriteBuffer(uint8_t buff[], size_t c)
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{
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// initial detect format
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if (Image.format == 0)
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{
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if (memcmp(buff, ImageHeaderWBMP, sizeof(ImageHeaderWBMP) - 1) == 0)
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{
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Serial.println(" image format: WBMP");
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Image.format = 2;
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wbmpOpenFramebuffer();
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}
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else if (memcmp(buff, ImageHeaderPNG, sizeof(ImageHeaderPNG) - 1) == 0)
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{
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Serial.println(" image format: PNG");
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Image.format = 3;
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pngOpenFramebuffer();
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}
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else
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{
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Image.format = 1;
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Serial.println(" unkown image format. first header are:");
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Serial.println(buff[0]);
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Serial.println(buff[1]);
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Serial.println(buff[2]);
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Serial.println(buff[3]);
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Serial.println(buff[4]);
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Serial.println(buff[5]);
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}
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}
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// write display frame
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switch (Image.format)
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{
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// WBMP
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case 2:
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wbmpWriteFramebuffer(0, buff, c);
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break;
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// PNG
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case 3:
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pngWriteFramebuffer(0, buff, c);
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break;
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}
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}
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void ImageFlushBuffer()
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{
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// update display
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switch (Image.format)
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{
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// WBMP
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case 2:
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wbmpFlushFramebuffer();
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break;
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// PNG
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case 3:
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pngFlushFramebuffer();
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break;
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}
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// clear settings
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Image.format = 0;
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Image.x = 0;
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Image.y = 0;
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Image.w = 0;
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Image.h = 0;
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Image.dithering = false;
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} |