112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
#include "point.h"
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#include "vgagl.h"
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#if 0
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//画点
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void draw_dot(PFBDEV pFbdev, POINT p, uint8_t r, uint8_t g, uint8_t b) {
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uint32_t offset;
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uint8_t color[2];
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color[0] = COLOR16(r, g, b) & 0x00FF;
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color[1] = COLOR16(r, g, b) >> 8;
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// color[2] = r;
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// color[3] = 0x0; //透明度
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offset = p.y * pFbdev->fb_fix.line_length + 2 * p.x;
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//将操作映射到内存中
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fb_memcpy((void *)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset, color, 2);
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}
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void draw_dot_c(PFBDEV pFbdev, POINT p, uint16_t c) {
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uint32_t offset;
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uint8_t color[2];
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// color[0] = COLOR16(r, g, b) & 0x00FF;
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// color[1] = COLOR16(r, g, b) >>8;
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// color[2] = r;
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// color[3] = 0x0; //透明度
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offset = p.y * pFbdev->fb_fix.line_length + 2 * p.x;
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//将操作映射到内存中
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// fb_memcpy((void *)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset,
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// color, 2);
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//
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long location =
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(p.x + pFbdev->fb_var.xoffset) * (pFbdev->fb_var.bits_per_pixel / 8) +
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(p.y + pFbdev->fb_var.yoffset) * pFbdev->fb_fix.line_length;
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*((uint16_t *)(pFbdev->fb_mem + location)) = c;
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}
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//画点
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void draw_dot_with_trans(PFBDEV pFbdev, POINT p, uint8_t r, uint8_t g,
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uint8_t b, uint8_t t) {
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uint32_t offset;
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uint8_t color[4];
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color[0] = b;
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color[1] = g;
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color[2] = r;
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color[3] = t; //透明度
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offset = p.y * pFbdev->fb_fix.line_length + 4 * p.x;
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//将操作映射到内存中
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fb_memcpy((void *)pFbdev->fb_mem + pFbdev->fb_mem_offset + offset, color, 4);
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}
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//画点
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void draw_x_y_dot(PFBDEV pFbdev, int x, int y, uint8_t r, uint8_t g,
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uint8_t b) {
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POINT p;
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p.x = x;
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p.y = y;
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// draw_dot(pFbdev, p, r, g, b);
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}
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//画点
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void draw_x_y_dot_with_trans(PFBDEV pFbdev, int x, int y, uint8_t r, uint8_t g,
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uint8_t b, uint8_t t) {
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POINT p;
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p.x = x;
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p.y = y;
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draw_dot_with_trans(pFbdev, p, r, g, b, t);
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}
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//画点
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void draw_x_y_color_dot(PFBDEV pFbdev, int x, int y, RGBT c) {
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draw_x_y_dot(pFbdev, x, y, c.r, c.g, c.b);
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}
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//画点
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void draw_x_y_color_dot_with_trans(PFBDEV pFbdev, int x, int y, RGBT c) {
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draw_x_y_dot_with_trans(pFbdev, x, y, c.r, c.g, c.b, c.t);
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}
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//画点 color８位，分别代表RGBT
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void draw_x_y_color_dot_with_string(PFBDEV pFbdev, int x, int y,
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const char *temp) {
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RGBT rgbt = getRGBT(temp);
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draw_x_y_dot_with_trans(pFbdev, x, y, rgbt.r, rgbt.g, rgbt.b, rgbt.t);
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}
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#endif
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#define outside(x, y) (x < 0 || x > __xres || y < 0 || y > __yres)
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// 画点 color16位
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#if 0
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void setpixel(int x, int y, int c)
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{
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//if (outside(x, y))
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// return;
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long location = (x + __xoffset) * 2 + (y + __yoffset) * __line_length;
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*((int16_t*)(currFbdev.fb_mem + location)) = c;
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}
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#endif //0
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#define ASSIGNVP16(x, y, vp) vp = VBUF + (y)*BYTEWIDTH + (x)*2;
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#define ASSIGNVPOFFSET16(x, y, vp) vp = (y)*BYTEWIDTH + (x)*2;
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void setpixel(int x, int y, int c)
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{
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int8_t * vp;
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ASSIGNVP16(x, y, vp);
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*(uint16_t *)vp = (uint16_t)c;
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} |