forked from Mirror/GodMode9
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#include "common.h"
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#include "ui.h"
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#include "rtc.h"
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#include "vff.h"
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#include "png.h"
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static void Screenshot_CvtAndTranspose(u8 *dest, u16 *fb, u32 w, u32 stride)
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{
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for (u32 y = 0; y < SCREEN_HEIGHT; y++) {
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for (u32 x = 0; x < w; x++) {
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u8 r, g, b;
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u16 rgb_s = GetColor(fb, x, y);
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r = ((rgb_s >> 11) & 0x1F) << 3;
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g = ((rgb_s >> 5) & 0x3F) << 2;
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b = (rgb_s & 0x1F) << 3;
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*(dest++) = r;
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*(dest++) = g;
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*(dest++) = b;
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}
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dest += stride;
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}
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}
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void CreateScreenshot(void) {
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DsTime dstime;
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size_t png_size;
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u8 *png, *buffer;
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char filename[64];
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u32 snapbuf_size, snap_w, snap_h, bot_offset;
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snapbuf_size = (SCREEN_WIDTH_TOP * SCREEN_HEIGHT * 3) * 2;
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snap_w = SCREEN_WIDTH_TOP;
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snap_h = SCREEN_HEIGHT * 2;
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fvx_rmkdir(OUTPUT_PATH);
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get_dstime(&dstime);
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snprintf(filename, 64, OUTPUT_PATH "/snap_%02X%02X%02X%02X%02X%02X.png",
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dstime.bcd_Y, dstime.bcd_M, dstime.bcd_D,
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dstime.bcd_h, dstime.bcd_m, dstime.bcd_s);
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filename[63] = '\0';
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buffer = malloc(snapbuf_size);
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if (!buffer) return;
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memset(buffer, 0x1F, snapbuf_size); // gray background
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bot_offset = ((400 * SCREEN_HEIGHT) + 40) * 3;
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Screenshot_CvtAndTranspose(buffer, TOP_SCREEN, SCREEN_WIDTH_TOP, 0);
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Screenshot_CvtAndTranspose(buffer + bot_offset, BOT_SCREEN, SCREEN_WIDTH_BOT, 80 * 3);
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png = PNG_Compress(buffer, snap_w, snap_h, &png_size);
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if (png && png_size) {
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fvx_qwrite(filename, png, 0, png_size, NULL);
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// "snap effect"
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/*memcpy(buffer_b, BOT_SCREEN, SCREEN_SIZE_BOT);
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memcpy(buffer_t, TOP_SCREEN, SCREEN_SIZE_TOP);
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memset(BOT_SCREEN, 0, SCREEN_SIZE_BOT);
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memset(TOP_SCREEN, 0, SCREEN_SIZE_TOP);
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memcpy(BOT_SCREEN, buffer_b, SCREEN_SIZE_BOT);
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memcpy(TOP_SCREEN, buffer_t, SCREEN_SIZE_TOP);*/
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}
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// what to do on error...?
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free(buffer);
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free(png);
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}
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