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Added SDL_RenderSetScale() and SDL_RenderGetScale()

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This commit is contained in:
Sam Lantinga 2012-10-01 20:59:33 -07:00
parent 0b35b7b0bf
commit f366b098d4
10 changed files with 603 additions and 353 deletions
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74
src/render/direct3d/SDL_render_d3d.c
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@ -188,16 +188,16 @@ static int D3D_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
static int D3D_UpdateViewport(SDL_Renderer * renderer);
static int D3D_RenderClear(SDL_Renderer * renderer);
static int D3D_RenderDrawPoints(SDL_Renderer * renderer,
const SDL_Point * points, int count);
const SDL_FPoint * points, int count);
static int D3D_RenderDrawLines(SDL_Renderer * renderer,
const SDL_Point * points, int count);
const SDL_FPoint * points, int count);
static int D3D_RenderFillRects(SDL_Renderer * renderer,
const SDL_Rect * rects, int count);
const SDL_FRect * rects, int count);
static int D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect);
const SDL_Rect * srcrect, const SDL_FRect * dstrect);
static int D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect,
const double angle, const SDL_Point * center, const SDL_RendererFlip flip);
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip);
static int D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 format, void * pixels, int pitch);
static void D3D_RenderPresent(SDL_Renderer * renderer);
@ -963,7 +963,7 @@ D3D_SetBlendMode(D3D_RenderData * data, int blendMode)
}
static int
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
@ -990,8 +990,8 @@ D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].x = points[i].x;
vertices[i].y = points[i].y;
vertices[i].z = 0.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
@ -1009,7 +1009,7 @@ D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
}
static int
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
@ -1036,8 +1036,8 @@ D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].x = points[i].x;
vertices[i].y = points[i].y;
vertices[i].z = 0.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
@ -1051,8 +1051,8 @@ D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
so we need to close the endpoint of the line */
if (count == 2 ||
points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
vertices[0].x = (float) points[count-1].x;
vertices[0].y = (float) points[count-1].y;
vertices[0].x = points[count-1].x;
vertices[0].y = points[count-1].y;
result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, vertices, sizeof(*vertices));
}
@ -1065,7 +1065,7 @@ D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
}
static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects,
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
@ -1092,12 +1092,12 @@ D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects,
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
for (i = 0; i < count; ++i) {
const SDL_Rect *rect = &rects[i];
const SDL_FRect *rect = &rects[i];
minx = (float) rect->x;
miny = (float) rect->y;
maxx = (float) rect->x + rect->w;
maxy = (float) rect->y + rect->h;
minx = rect->x;
miny = rect->y;
maxx = rect->x + rect->w;
maxy = rect->y + rect->h;
vertices[0].x = minx;
vertices[0].y = miny;
@ -1140,7 +1140,7 @@ D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects,
static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
@ -1155,10 +1155,10 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
return -1;
}
minx = (float) dstrect->x - 0.5f;
miny = (float) dstrect->y - 0.5f;
maxx = (float) dstrect->x + dstrect->w - 0.5f;
maxy = (float) dstrect->y + dstrect->h - 0.5f;
minx = dstrect->x - 0.5f;
miny = dstrect->y - 0.5f;
maxx = dstrect->x + dstrect->w - 0.5f;
maxy = dstrect->y + dstrect->h - 0.5f;
minu = (float) srcrect->x / texture->w;
maxu = (float) (srcrect->x + srcrect->w) / texture->w;
@ -1239,8 +1239,8 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
static int
D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect,
const double angle, const SDL_Point * center, const SDL_RendererFlip flip)
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
@ -1256,25 +1256,25 @@ D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
return -1;
}
centerx = (float)center->x;
centery = (float)center->y;
centerx = center->x;
centery = center->y;
if (flip & SDL_FLIP_HORIZONTAL) {
minx = (float) dstrect->w - centerx - 0.5f;
maxx = (float) -centerx - 0.5f;
minx = dstrect->w - centerx - 0.5f;
maxx = -centerx - 0.5f;
}
else {
minx = (float) -centerx - 0.5f;
maxx = (float) dstrect->w - centerx - 0.5f;
minx = -centerx - 0.5f;
maxx = dstrect->w - centerx - 0.5f;
}
if (flip & SDL_FLIP_VERTICAL) {
miny = (float) dstrect->h - centery - 0.5f;
maxy = (float) -centery - 0.5f;
miny = dstrect->h - centery - 0.5f;
maxy = -centery - 0.5f;
}
else {
miny = (float) -centery - 0.5f;
maxy = (float) dstrect->h - centery - 0.5f;
miny = -centery - 0.5f;
maxy = dstrect->h - centery - 0.5f;
}
minu = (float) srcrect->x / texture->w;