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https://gitee.com/zlgopen/awtk.git
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427 lines
11 KiB
C
427 lines
11 KiB
C
/**
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* File: demo2_app.c
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* Author: Li XianJing <xianjimli@hotmail.com>
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* Brief: demo paint
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*
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* Copyright (c) 2018 - 2018 Li XianJing <xianjimli@hotmail.com>
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* License file for more details.
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*
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*/
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/**
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* History:
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* ================================================================
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* 2018-03-18 Li XianJing <xianjimli@hotmail.com> created
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*
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*/
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#include "base/window.h"
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#include "base/view.h"
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#include "base/image_manager.h"
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static ret_t on_paint_9patch(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, 200, 30);
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canvas_draw_image_9patch(c, &img, &r);
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rect_init(r, 10, 70, 200, 60);
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canvas_draw_image_9patch(c, &img, &r);
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rect_init(r, 10, 150, 20, 60);
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canvas_draw_image_9patch(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_default(void* ctx, event_t* e) {
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rect_t s;
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "earth", &img);
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rect_init(s, 0, 0, img.w, img.h);
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rect_init(r, 10, 220, img.w / 2, img.h / 2);
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canvas_draw_image(c, &img, &s, &r);
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rect_init(s, 0, 0, img.w, img.h);
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rect_init(r, 60, 220, img.w, img.h);
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canvas_draw_image(c, &img, &s, &r);
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rect_init(s, 0, 0, img.w, img.h);
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rect_init(r, 160, 220, img.w * 2, img.h * 2);
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canvas_draw_image(c, &img, &s, &r);
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return RET_OK;
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}
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static ret_t on_paint_line(void* ctx, event_t* e) {
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color_t fill_color = color_init(0xe0, 0xe0, 0xe0, 0xff);
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color_t stroke_color = color_init(0x80, 0x80, 0x80, 0xff);
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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canvas_set_fill_color(c, fill_color);
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canvas_set_stroke_color(c, stroke_color);
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canvas_set_stroke_color(c, stroke_color);
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canvas_draw_line(c, 10, 10, 100, 300);
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return RET_OK;
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}
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static ret_t on_paint_points(void* ctx, event_t* e) {
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point_t points[] = {{100, 100}, {100, 101}, {100, 102}, {100, 103}};
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color_t fill_color = color_init(0xe0, 0xe0, 0xe0, 0xff);
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color_t stroke_color = color_init(0x80, 0x80, 0x80, 0xff);
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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canvas_set_fill_color(c, fill_color);
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canvas_set_stroke_color(c, stroke_color);
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canvas_draw_points(c, points, ARRAY_SIZE(points));
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return RET_OK;
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}
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static ret_t on_paint_3patch_h(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, 100, 60);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 10, 80, 10, 60);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 10, 160, 300, 50);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 10, 220, 300, 20);
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canvas_draw_image_3patch_x(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_3patch_v(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, 60, 100);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 80, 10, 60, 10);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 160, 10, 50, 300);
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canvas_draw_image_3patch_x(c, &img, &r);
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rect_init(r, 220, 10, 20, 300);
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canvas_draw_image_3patch_x(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_repeat_x(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, 10, img.h);
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canvas_draw_image_repeat_x(c, &img, &r);
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rect_init(r, 10, 60, img.w, img.h);
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canvas_draw_image_repeat_x(c, &img, &r);
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rect_init(r, 10, 160, img.w * 2, img.h * 2);
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canvas_draw_image_repeat_x(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_repeat_y(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w, 10);
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canvas_draw_image_repeat_y(c, &img, &r);
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rect_init(r, 90, 10, img.w, img.h);
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canvas_draw_image_repeat_y(c, &img, &r);
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rect_init(r, 160, 10, img.w * 2, img.h * 2);
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canvas_draw_image_repeat_y(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_repeat(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w / 2, img.h / 2);
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canvas_draw_image_repeat(c, &img, &r);
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rect_init(r, 50, 50, img.w, img.h);
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canvas_draw_image_repeat(c, &img, &r);
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rect_init(r, 100, 100, img.w * 2 + 10, img.h * 2 + 10);
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canvas_draw_image_repeat(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_scale_x(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w, img.h / 2);
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canvas_draw_image_scale_w(c, &img, &r);
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rect_init(r, 50, 50, img.w, img.h);
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canvas_draw_image_scale_w(c, &img, &r);
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rect_init(r, 100, 100, img.w * 2, img.h);
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canvas_draw_image_scale_w(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_scale_y(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w / 2, img.h);
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canvas_draw_image_scale_h(c, &img, &r);
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rect_init(r, 50, 50, img.w, img.h);
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canvas_draw_image_scale_h(c, &img, &r);
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rect_init(r, 100, 100, img.w, img.h * 2);
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canvas_draw_image_scale_h(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_scale(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w / 2, img.h);
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canvas_draw_image_scale(c, &img, &r);
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rect_init(r, 50, 50, img.w, img.h);
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canvas_draw_image_scale(c, &img, &r);
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rect_init(r, 100, 100, img.w, img.h * 2);
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canvas_draw_image_scale(c, &img, &r);
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return RET_OK;
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}
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static ret_t on_paint_center(void* ctx, event_t* e) {
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rect_t r;
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bitmap_t img;
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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image_manager_load(default_im(), "btn_blue_n", &img);
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rect_init(r, 10, 10, img.w / 2, img.h);
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canvas_draw_image_center(c, &img, &r);
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rect_init(r, 50, 50, img.w, img.h);
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canvas_draw_image_center(c, &img, &r);
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rect_init(r, 100, 100, img.w, img.h * 2);
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canvas_draw_image_center(c, &img, &r);
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return RET_OK;
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}
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static void draw_basic_shapes(vgcanvas_t* vg, bool_t stroke) {
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vgcanvas_save(vg);
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vgcanvas_translate(vg, 5, 5);
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vgcanvas_rounded_rect(vg, 0, 0, 60, 40, 5);
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if(stroke) vgcanvas_stroke(vg); else vgcanvas_fill(vg);
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vgcanvas_translate(vg, 65, 0);
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vgcanvas_rounded_rect(vg, 0, 0, 60, 40, 1);
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if(stroke) vgcanvas_stroke(vg); else vgcanvas_fill(vg);
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vgcanvas_translate(vg, 65, 0);
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vgcanvas_ellipse(vg, 30, 20, 30, 20);
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if(stroke) vgcanvas_stroke(vg); else vgcanvas_fill(vg);
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vgcanvas_translate(vg, 65, 0);
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vgcanvas_arc(vg, 20, 20, 20, 0, 2*3.15, FALSE);
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if(stroke) vgcanvas_stroke(vg); else vgcanvas_fill(vg);
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vgcanvas_translate(vg, 50, 0);
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vgcanvas_move_to(vg, 0, 0);
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vgcanvas_line_to(vg, 40, 0);
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vgcanvas_line_to(vg, 40, 40);
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vgcanvas_close_path(vg);
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if(stroke) vgcanvas_stroke(vg); else vgcanvas_fill(vg);
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vgcanvas_restore(vg);
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}
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static void stroke_lines(vgcanvas_t* vg) {
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vgcanvas_save(vg);
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vgcanvas_move_to(vg, 0, 0);
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vgcanvas_line_to(vg, 40, 40);
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vgcanvas_translate(vg, 40, 0);
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vgcanvas_move_to(vg, 0, 0);
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vgcanvas_quad_to(vg, 40, 0, 40, 40);
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vgcanvas_translate(vg, 40, 0);
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vgcanvas_move_to(vg, 0, 0);
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vgcanvas_bezier_to(vg, 20, 0, 20, 40, 40, 40);
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vgcanvas_stroke(vg);
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vgcanvas_translate(vg, 40, 0);
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vgcanvas_arc(vg, 20, 20, 20, 0, 3.14, TRUE);
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vgcanvas_stroke(vg);
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vgcanvas_translate(vg, 40, 0);
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vgcanvas_set_line_width(vg, 5);
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vgcanvas_set_line_cap(vg, "round");
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vgcanvas_arc(vg, 20, 20, 20, 0, 3.14/2, FALSE);
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vgcanvas_stroke(vg);
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vgcanvas_stroke(vg);
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vgcanvas_restore(vg);
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}
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static void draw_image(vgcanvas_t* vg) {
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bitmap_t img;
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vgcanvas_save(vg);
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vgcanvas_translate(vg, 10, 0);
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image_manager_load(default_im(), "earth", &img);
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vgcanvas_draw_image(vg, &img, 5, 5, img.w-10, img.h-10, 0, 0, img.w * 2, img.h * 2);
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vgcanvas_translate(vg, 100, 0);
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vgcanvas_draw_image(vg, &img, 0, 0, img.w, img.h, 0, 0, img.w, img.h);
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image_manager_load(default_im(), "bricks", &img);
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vgcanvas_translate(vg, 50, 0);
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vgcanvas_translate(vg, img.w >> 1, img.h >> 1);
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vgcanvas_rotate(vg, 3.14/4);
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vgcanvas_translate(vg, -img.w >> 1, -img.h >> 1);
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vgcanvas_scale(vg, 1.5, 1.5);
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vgcanvas_draw_image(vg, &img, 0, 0, img.w, img.h, 0, 0, img.w, img.h);
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vgcanvas_restore(vg);
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return;
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}
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static void draw_matrix(vgcanvas_t* vg) {
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float_t w = 50;
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float_t h = 50;
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vgcanvas_save(vg);
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vgcanvas_translate(vg, w/2, h/2);
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vgcanvas_rotate(vg, 3.14/4);
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vgcanvas_translate(vg, -w/2, -h/2);
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vgcanvas_rect(vg, 0, 0, w, h);
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vgcanvas_fill(vg);
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vgcanvas_restore(vg);
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}
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static void draw_text(vgcanvas_t* vg) {
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float_t h = 20;
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const char* text = "Hello World";
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float_t w = 100;
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vgcanvas_set_font_size(vg, 20);
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vgcanvas_set_font(vg, STR_DEFAULT_FONT);
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w = vgcanvas_measure_text(vg, text);
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vgcanvas_save(vg);
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vgcanvas_translate(vg, w/2, h/2);
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vgcanvas_rotate(vg, 3.14/4);
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vgcanvas_translate(vg, -w/2, -h/2);
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vgcanvas_fill_text(vg, text, 10, 10, 100);
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log_debug("text=%s w=%f\n", text, w);
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vgcanvas_restore(vg);
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}
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static ret_t on_paint_vg(void* ctx, event_t* e) {
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paint_event_t* evt = (paint_event_t*)e;
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canvas_t* c = evt->c;
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vgcanvas_t* vg = lcd_get_vgcanvas(c->lcd);
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vgcanvas_set_line_width(vg, 1);
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vgcanvas_set_stroke_color(vg, color_init(0, 0xff, 0, 0xff));
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vgcanvas_set_fill_color(vg, color_init(0xff, 0, 0, 0xff));
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draw_basic_shapes(vg, FALSE);
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vgcanvas_translate(vg, 0, 50);
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draw_basic_shapes(vg, TRUE);
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vgcanvas_translate(vg, 0, 50);
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stroke_lines(vg);
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vgcanvas_translate(vg, 0, 50);
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draw_image(vg);
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vgcanvas_translate(vg, 50, 100);
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draw_matrix(vg);
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vgcanvas_translate(vg, 0, 100);
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draw_text(vg);
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return RET_OK;
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}
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ret_t application_init() {
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widget_t* win = window_create(NULL, 0, 0, 0, 0);
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widget_t* canvas = view_create(win, 0, 0, win->w, win->h);
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widget_on(canvas, EVT_PAINT, on_paint_vg, NULL);
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return RET_OK;
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}
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