84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
#ifndef __VHEX_DISPLAY_DRAW_IMAGE_RENDER__
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# define __VHEX_DISPLAY_DRAW_IMAGE_RENDER__
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#include <vhex/display/image/types.h>
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//---
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// User-level API
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//---
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/* render part */
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/* Alignment settings for dimage*(). Combining a vertical and a horizontal
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alignment option specifies where a given point (x,y) should be relative to
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the rendered image. */
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enum {
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/* Horizontal settings: default in diage*() is DIMAGE_LEFT */
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DIMAGE_LEFT = 0x00,
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DIMAGE_CENTER = 0x01,
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DIMAGE_RIGHT = 0x02,
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/* Vertical settings: default in dimage*() is DIMAGE_TOP */
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DIMAGE_TOP = 0x10,
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DIMAGE_MIDDLE = 0x20,
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DIMAGE_BOTTOM = 0x40,
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};
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/* dimage(): Render a full image */
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extern did_t dimage(image_t const *image, int x, int y, int mode);
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/* dsubimage(): Render a section of an image */
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extern did_t dsubimage(
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image_t const *image,
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int x, int y,
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int left, int top, int width, int height
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);
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/* shader part */
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/* dimage_shader_shadow() : add shadows in any image rendered */
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extern int dimage_shader_shadow(did_t did, int xoff, int yoff);
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//---
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// Kernel-level API
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//---
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/* dsubimage_render() : draw a subimage in the surface */
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extern void dsubimage_render(
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dsurface_t *surface,
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image_t const *image,
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int x, int y,
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int left, int top, int width, int height
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);
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/* dimage_render(): Render a full image */
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extern void dimage_render(dsurface_t *s, image_t const *img, int x, int y);
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/* help part */
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struct imgbox {
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struct {
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struct {
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int start;
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int end;
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} y;
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struct {
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int start;
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int end;
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} x;
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} img;
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struct {
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uint16_t *vram;
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int voff;
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} surface;
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};
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/* dsubimage_render_box() : generate box information */
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extern void dsubimage_render_box(
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struct imgbox *imgbox,
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image_t const *image,
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int x, int y,
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int left, int top, int width, int height
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);
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#endif /* __VHEX_DISPLAY_DRAW_IMAGE_RENDER__ */
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