mirror of
https://gitee.com/zlgopen/awtk.git
synced 2024-12-02 20:18:22 +08:00
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#include <string.h>
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#include <stdlib.h>
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#include "agge/nanovg_agge.h"
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void draw_image(NVGcontext* vg, NVGpaint imgPaint, float sx, float sy, float sw, float sh, float dx,
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float dy, float dw, float dh) {
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float scaleX = (float)dw / sw;
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float scaleY = (float)dh / sh;
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nvgSave(vg);
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nvgBeginPath(vg);
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nvgTranslate(vg, dx - (sx * scaleX), dy - (sy * scaleY));
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nvgScale(vg, scaleX, scaleY);
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nvgRect(vg, sx, sy, sw, sh);
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nvgFillPaint(vg, imgPaint);
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nvgClosePath(vg);
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nvgFill(vg);
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nvgBeginPath(vg);
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nvgRestore(vg);
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}
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static void runTest(int32_t w, int32_t h, int32_t bpp) {
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int32_t iw = 0;
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int32_t ih = 0;
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int32_t size = w * h * bpp;
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uint8_t* data = (uint8_t*)malloc(size);
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memset(data, 0xff, size);
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NVGcontext* vg = nvgCreateAGGE(w, h, bpp == 2 ? AGGE_RGB565 : AGGE_RGBA8888, data);
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int img = nvgCreateImage(vg, "demos/rgb.png", 0);
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nvgBeginFrame(vg, w, h, 1);
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nvgImageSize(vg, img, &iw, &ih);
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NVGpaint imgPaint = nvgImagePattern(vg, 0, 0, iw, ih, 0, img, 1);
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draw_image(vg, imgPaint, 0, 0, iw, ih, 10, 20, iw, ih);
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int img2 = nvgCreateImage(vg, "demos/rgba.png", 0);
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nvgImageSize(vg, img2, &iw, &ih);
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NVGpaint imgPaint2 = nvgImagePattern(vg, 0, 0, iw, ih, 0, img2, 1);
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nvgTranslate(vg, 100, 100);
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nvgTranslate(vg, iw / 2, ih / 2);
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nvgRotate(vg, 3.14 / 8);
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nvgTranslate(vg, -iw / 2, -ih / 2);
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draw_image(vg, imgPaint2, 0, 0, iw, ih, 0, 0, iw, ih);
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nvgEndFrame(vg);
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nvgDeleteAGGE(vg);
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free(data);
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}
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int main() {
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for (int i = 0; i < 100; i++) {
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runTest(400, 400, 2);
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runTest(400, 400, 4);
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}
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return 0;
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}
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