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https://github.com/Scandal-UK/Incognito_RCM.git
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add screenshot from framebuffer function
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parent
6204a01b4f
commit
c62341b117
2 changed files with 88 additions and 6 deletions
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@ -18,6 +18,7 @@
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include "gfx.h"
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static const u8 _gfx_font[] = {
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@ -466,12 +467,12 @@ void gfx_hexdump(u32 base, const u8 *buf, u32 len)
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gfx_con.fntsz = prevFontSize;
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}
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static int abs(int x)
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{
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if (x < 0)
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return -x;
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return x;
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}
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// static int abs(int x)
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// {
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// if (x < 0)
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// return -x;
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// return x;
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// }
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void gfx_set_pixel(u32 x, u32 y, u32 color)
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{
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@ -546,3 +547,83 @@ void gfx_render_bmp_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32
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gfx_ctxt.fb[x + y * gfx_ctxt.stride] = buf[(size_y + pos_y - 1 - y ) * size_x + x - pos_x];
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}
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}
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u8 *gfx_bmp_screenshot(u32 *size)
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{
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// 14 bytes
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struct bitmap_file_header
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{
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unsigned char bitmap_type[2]; // 2 bytes
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int file_size; // 4 bytes
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short reserved1; // 2 bytes
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short reserved2; // 2 bytes
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unsigned int offset_bits; // 4 bytes
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} bfh;
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// bitmap image header (40 bytes)
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struct bitmap_image_header
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{
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unsigned int size_header; // 4 bytes
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unsigned int width; // 4 bytes
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unsigned int height; // 4 bytes
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short int planes; // 2 bytes
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short int bit_count; // 2 bytes
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unsigned int compression; // 4 bytes
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unsigned int image_size; // 4 bytes
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unsigned int ppm_x; // 4 bytes
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unsigned int ppm_y; // 4 bytes
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unsigned int clr_used; // 4 bytes
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unsigned int clr_important; // 4 bytes
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} bih;
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u32 *fb = gfx_ctxt.fb;
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u32 width = gfx_ctxt.width;
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u32 height = gfx_ctxt.height;
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u32 image_size = width * height;
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u32 file_size = 40 + 14 + 3 * image_size;
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u32 dpi = 237;
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u32 ppm = dpi * 39.375;
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memcpy(&bfh.bitmap_type, "BM", 2);
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bfh.file_size = file_size;
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bfh.reserved1 = 0;
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bfh.reserved2 = 0;
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bfh.offset_bits = 0;
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bih.size_header = sizeof(bih);
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bih.width = width;
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bih.height = height;
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bih.planes = 1;
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bih.bit_count = 24;
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bih.compression = 0;
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bih.image_size = file_size;
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bih.ppm_x = ppm;
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bih.ppm_y = ppm;
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bih.clr_used = 0;
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bih.clr_important = 0;
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u8 *buffer = (u8 *)malloc(file_size);
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u32 offset = 0;
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memcpy(buffer, &bfh, 14);
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offset += 14;
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memcpy(buffer + offset, &bih, 40);
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offset += 40;
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for (int y = height - 1; y >= 0; y--)
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{
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for (int x = 0; x < width; x++)
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{
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u32 index = width * y + x;
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memcpy(buffer + offset, fb + index, 3);
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offset += 3;
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}
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}
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*size = file_size;
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return buffer;
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}
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@ -48,6 +48,7 @@ void gfx_set_rect_grey(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos
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void gfx_set_rect_rgb(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
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void gfx_set_rect_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
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void gfx_render_bmp_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
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u8 *gfx_bmp_screenshot(u32 *size);
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// Global gfx console and context.
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gfx_ctxt_t gfx_ctxt;
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