Revision 183
can reduce letter size; working on increasing
| graph.c | ||
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#include <lcom/lcf.h> |
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#include "graph.h" |
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#include "graph_macros.h" |
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#include "errors.h" |
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#include <stdio.h> |
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/// MACROS |
| ... | ... | |
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/// PIXEL DRAWING |
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int (graph_set_pixel)(uint16_t x, uint16_t y, uint32_t color) {
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if (x >= vbe_mem_info.XResolution || y >= vbe_mem_info.YResolution) {
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/* |
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if (x < 0 || vbe_mem_info.XResolution <= x || y < 0 || vbe_mem_info.YResolution <= y) {
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//printf("%s: invalid pixel.\n", __func__);
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return OUT_OF_RANGE; |
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} |
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unsigned int pos = (x + y * vbe_mem_info.XResolution) * graph_get_bytes_pixel(); |
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memcpy(video_buf + pos, &color, graph_get_bytes_pixel()); |
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return SUCCESS; |
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*/ |
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return graph_set_pixel_buffer(x, y, color, video_buf, graph_get_XRes(), graph_get_YRes()); |
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} |
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int (graph_set_pixel_buffer)(uint16_t x, uint16_t y, uint32_t color, uint8_t *buf, uint16_t W, uint16_t H) {
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if (x < 0 || W <= x || y < 0 || H <= y) {
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//printf("%s: invalid pixel.\n", __func__);
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return OUT_OF_RANGE; |
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} |
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unsigned int pos = (x + y * W) * graph_get_bytes_pixel(); |
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memcpy(buf + pos, &color, graph_get_bytes_pixel()); |
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return SUCCESS; |
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} |
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int (graph_set_pixel_alpha_buffer)(uint16_t x, uint16_t y, uint8_t alpha, uint8_t *alp_buf, uint16_t W, uint16_t H) {
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if (x < 0 || W <= x || y < 0 || H <= y) {
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//printf("%s: invalid pixel.\n", __func__);
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return OUT_OF_RANGE; |
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} |
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unsigned int pos = x + y * W; |
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memcpy(alp_buf + pos, &alpha, 1); |
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return SUCCESS; |
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} |
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int (graph_set_pixel_alpha)(uint16_t x, uint16_t y, uint32_t color, uint8_t alpha){
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if (x >= vbe_mem_info.XResolution || y >= vbe_mem_info.YResolution) {
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//printf("%s: invalid pixel.\n", __func__);
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return OUT_OF_RANGE; |
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} |
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//printf("COLOR= %X, ALPHA = %X\n", color, alpha);
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unsigned int pos = (x + y * vbe_mem_info.XResolution) * graph_get_bytes_pixel(); |
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uint32_t color_; |
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memcpy(&color_, video_buf + pos, graph_get_bytes_pixel()); |
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